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Manhattan	If $$4^{x} + 4^{-x} = 2$$, which of the following is the value of x?
OG16 OG17 OG18 OG19 OG20 OG2022	Is zp negative?(1) $${p}{z}^{4}< 0$$(2) $$p + {z}^{4} = 14$$
191020	f(s)=$$\frac { 1 } { 4 } * s * t ^ { 2 }$$，and s= $$ 4^ { t }$$，so f(64)=?
Ready4	The figure shown below is a quarter circle. If $xymz$ is a rectangle, then what is the length of $\overline{zy}$ ?
	If $$N = \frac{1}{3} + \frac{1}{(3^2) }+ \frac{1}{(3^3)}$$, then N is between
	If $${x}≠{0}$$, then $$({x}+\frac1 x)^{2}-({x}-\frac1 x)^{2}=$$
191222	What's the value of [(3√32 - 4√2) /√8 ]^2？
PREP07 Test 2	A certain motel has a total of 540 units, each of which has a 1-person, 2-person, or 4-person capacity. How many people stayed in the motel's 4-person units yesterday?(1) At this motel, 1/3 of the units are 4-person units.(2) Yesterday, 80 percent of the 4-person units in the motel were filled to capacity, and the rest of the 4-person units were empty.
OG19-数学分册	What is the value of $$2^{x}+2^{-x}$$? (1) X > 0 (2) $$4^{x}+4^{-x}=23$$
	Cultivated Farmland The diagram shows two bar charts representing Country X's allocation for farmland in terms of percentages of and number of acres. The right side is a magnification of a portion of the bar chart to the left. Fill each blank using the drop-down menu to create the most accurate statement on the basis of the information provided. A) Cultivated Arable Land comprises % of Country X's Farmland. B) According to the diagram, there are M acres allocated for corn production.
191031	In the figure, a square is inscribed with a regular octagon. The length of the side of this regular octagon is 2. How much larger is the area of this square than that of this regular octagon?
OG16 OG17 OG18 OG19 OG20 OG2022	In the figure shown, if the area of the shaded region is 3 times the area of the smaller circular region, then the circumference of the larger circle is how many times the circumference of the smaller circle?
	For any numbers x and y, x◇y = 2x - y - xy. If x◇y = 0, then which of the following CANNOT be y?
Manhattan	If the side length of Square B is twice that of Square A, the area of Square B is how many times the area of Square A?
OG18 OG19 OG20 OG2022	The graph shows the number of computers assembled during each of 6 consecutive days. From what day to the next day was the percent change in the number of computers assembled the greatest in magnitude?
OG20 OG2022	If x is an integer greater than 0, what is the remainder when x is divided by 4 ? 1.The remainder is 3 when x + 1 is divided by 4. 2.The remainder is 0 when 2x is divided by 4.
OG19-数学分册	If p and q are positive, is $$\frac{p}{q}$$ less than 1 ? (l) p is less than 4. (2) q is less than 4.
OG12 OG15 OG16	Of 30 applicants for a job, 14 had at least 4 years' experience, 18 had degrees, and 3 had less than 4 years' experience and did not have a degree. How many of the applicants had at least 4 years' experience and a degree?
OG18 OG19 OG20 OG2022	Abdul, Barb, and Carlos all live on the same straight road, on which their school is also located. The school is halfway between Abdul's house and Barb's house. Barb's house is halfway between the school and Carlos's house. If the school is 4 miles from Carlos's house, how many miles is Abdul's house from Carlos's house?
OG19 OG20 OG2022	The figure above represents a semicircular archway over a flat street. The semicircle has a center at O and a radius of 6 feet. What is the height h, in feet, of the archway 2 feet from its center?