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21
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Is $$x^{2}$$ - $$y^{2}$$ a positive number?
1.x - y is a positive number.
2.x+ y is a positive number.
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22
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At a certain university recreation center, a member can receive a 30-minute massage, a 60-minute massage, or a 90-minute massage, and is charged $0.50 per minute for each massage. A member receiving a massage is charged the same fixed amount for each additional service, such as nutrition advice or a fitness evaluation. At this center, what is the total charge to a member for a 60-minute massage and 3 additional services?
1.At this recreation center, Jordan,a member ,had a massage and 3 additional services for a total charge of $37.50.
2.At this recreation center,Ryan,a member,had a massage and 2 additional services for a total charge of $60.00.
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23
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Three dice, each with faces numbered 1 through 6, were tossed onto a game board. If one of the dice turned up 4, what was the sum of the numbers that turned up on all three dice?
1.The sum of two of the numbers that turned up was 10.
2.The sum of two of the numbers that turned up was 11
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24
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Tami purchased several identically priced metal frames and several identically priced wooden frames for a total pretax price of $144. What was the total pretax price of the metal frames that Tami purchased?
1.The price of each metal frame was 60% greater than the price of each wooden frame.
2.Tami purchased twice as many wooden frames as metal frames.
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25
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X,81,73, 71,98, 73,64
What is the value of X in the above list of 7 numbers?
1.The average (arithmetic mean) of these 7 numbers is 80.
2.The range of these 7 numbers is 36.
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26
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Merle ' s spare change jar has exactly 16 U.S. coins, each of which is a 1-cent coin, a 5-cent coin, a 10-cent coin, a 25-cent coin, or a 50-cent coin. If the total value of the coins in the jar is 288 U.S. cents, how many 1-cent coins are in the jar?
1.The exact numbers of 10-cent,25-cent, and 50-cent coins among the 16 coins in the jar are, respectively, 6, 5,and 2.
2.Among the 16 coins in the jar there are twice as many 10-cent coins as 1-cent coins.
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27
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If y = $$2^{x+1}$$, what is the value of y - x ?
1.$$2^{2x+2}$$=64
2.y = $$2^{2x-1}$$
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28
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What is the value of x ?
1.$$x^{4} +x^{2}$$ +1=$$\frac{1}{x^{4} +x^{2} +1}$$
2.$$x^{3}+x^{2}$$=0
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29
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If $$ x\neq 1$$, is y equal to x + 1 ?
1.$$\frac{y-2}{x-1}$$=1
2.$$y^{2}$$ = $$(x+1)^{2}$$
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30
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What is the value of x ?
1.$$4^{x+1}$$ +$$4^{x}$$ =320
2.$$x^{2}$$=9
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31
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What is the median of the data set S that consists of the integers 17,29,10,26,15,and x ?
1.The average (arithmetic mean) of S is 17.
2.The range of S is 24.
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32
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Is xy< 6?
1.x< 3 and y< 2.
2.$$\frac{1}{2}$$< x< $$\frac{2}{3}$$and $$y^{2}$$< 64.
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33
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A box of light bulbs contains exactly 3 light bulbs that are defective. What is the probability that a sample of light bulbs picked at random from this box will contain at least 1 defective light bulb?
1.The light bulbs in the sample will be picked 1 at a time without replacement.
2.The sample will contain exactly 20 light bulbs.
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34
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Of the numbers q, r, s, and t which is greatest?
1.The average (arithmetic mean) of q and r is s.
2.The sum of q and r is t.
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35
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If S is the sum of the first n positive integers, what is the value of n ?
1.S < 20
2.$$S^{2}$$ > 220
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36
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What is the value of $$\frac{x}{yz}$$?
1. x=$$\frac{y}{2}$$ and z=$$\frac{2x}{5}$$
2. $$\frac{x}{z}$$ =$$\frac{5}{2}$$ and $$\frac{1}{y}$$ = $$\frac{1}{10}$$
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37
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Alan and Sue have each been saving one dollar a day and will continue to do so for the next month. If Sue began saving several days before Alan, in how many days from today will Alan have saved one-half as much as Sue?
1.As of today, Alan has saved 7 dollars and Sue has saved 27 dollars.
2.Three days from today, Alan will have saved one-third as much as Sue.
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38
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CAR RENTAL CHARGES AT THRIFTY AGENCY
The table above shows the car rental charges at Thrifty Agency. The daily rate applies for each day or fraction of a day in excess of any multiple of a 7-day week, up to the charge per week. If Olga rented a car of one of the types indicated,which type was it?
1.Olga's total rental charge, based only on the rates specified, was $184.
2.Olga rented the car for 10 days.
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39
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In the figure above, if the shaded region is rectangular, what is the length of XY ?
1.The perimeter of the shaded region is 24.
2.The measure of ∠XYZ is 45° .
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40
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In the figure above, the shaded region represents the front of an upright wooden frame around the entrance to an amusement park ride. If RS= $$\frac{5\sqrt{3}}{2}$$ meters, what is the area of the front of the frame?
1.x = 9 meters
2.ST=$$2\sqrt{3}$$ meters
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