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OG12 OG15 OG16 OG17 OG18 OG19 OG20 OG2022
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if $$s >0$$ and $$\sqrt{\frac{r}S}=s$$,what is r in terms of s ?
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Mary's income is 60 percent more than Tim's income, and Tim's income is 40 percent less than Juan's income. What percent of Juan's income is Mary's income?
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Each · in the mileage table above represents an entry indicating the distance between a pair of the five cities. If the table were extended to represent the distances between all pairs of 30 cities and each distance were to be represented by only one entry, how many entries would the table then have?
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If the sum of n consecutive integers is 0,which of the following must be true?I. n is an even number.II. n is an odd number.III. The average (arithmetic mean) of the n integers is 0
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OG12
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I. 72,73,74,75,76II. 74,74,74,74,74III. 62,74,74,74,89The data sets I, II, and III above are ordered from greatest standard deviation to least standard deviation in which of the following?
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A certain junior class has 1,000 students and a certain senior class has 800 students. Among these students, there are 60 sibling pairs, each consisting of 1 junior and 1 senior. If 1 student is to be selected at random from each class, what is the probability that the 2 students selected will be a sibling pair?
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OG12 OG15 OG16
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What is the 25th digit to the right of the decimal point in the decimal form of $$\frac{6}{11}$$
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$${(\frac{x+1}{x-1})}^{2}$$If $${x}\neq{0}$$ and $${x}\neq{1}$$, and if x is replaced by $$\frac{1}{x}$$ everywhere in the expression above, then the resulting expression is equivalent to
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OG12
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A part-time employee whose hourly wage was increased by 25 percent decided to reduce the number of hours worked per week so that the employee's total weekly income would remain unchanged. By what percent should the number of hours worked be reduced?
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If the integer n has exactly three positive divisors including, 1 and n, how many positive divisors does $${n}^{2}$$ have
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OG12 OG15 OG16
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A straight pipe 1 yard in length was marked off in fourths and also in thirds. If the pipe was then cut into separate pieces at each of these markings, which of the following gives all the different lengths of the pieces, in fractions of a yard?
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OG12 OG15 OG16
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P, r, s, t, uAn arithmetic sequence is a sequence in which each term after the first is equal to the sum of the preceding term and a constant.If the list of letters shown above is an arithmetic sequence, which of the following must also be an arithmetic sequence?I 2P, 2r, 2s, 2t, 2uII P-3, r-3, s-3, t-3, u-3III $${P}^{2}$$, $${r}^{2}$$, $${s}^{2}$$, $${t}^{2}$$, $${u}^{2}$$
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OG12 OG15
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Rectangular floors X and Y have equal area. If floor X is 12 feet by 18 feet and floor Y is 9 feet wide, what is the length of floor Y in feet?
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OG12 OG15 OG16 OG17 OG18
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Raffle tickets numbered consecutively from 101 through 350 are placed in a box. What is the probability that a ticket selected at random will have a number with a hundreds digit of 2 ?
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A carpenter constructed a rectangular sandbox with a capacity of 10 cubic feet. If the carpenter were to make a similar sandbox twice as long, twice as wide, and twice as high as the first sandbox, what would be the capacity, in cubic feet, of the second sandbox?
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$$\frac{1}{({1}+\frac{1}{3})}-\frac{1}{(1+\frac{1}{2})}=$$
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OG12 OG15
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In the figure above, the point on segment PQ that is twice as far from P as from Q is
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OG12 OG15
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$${1}-(\frac{1}{2}-\frac{2}{3})=$$
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OG12
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$$\frac{0.3^5}{0.3^3}=$$
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OG12
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In the figure above, if $$\overline{AB}||\overline{CE}$$, CE = DE, and y = 45, then x =
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