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PREP07 Test 1	Industrialization and modern methods of insect control have improved the standard of living around the globe while at the same time they have introduced some 100,000 dangerous chemical pollutants, having gone virtually unregulated since they were developed more than 50 years ago.
PREP07 Test 1	According to the table, the median acreage managed by the Federal Land Management agencies is how many million acres?
PREP07 Test 1	In the sequence of positive numbers $$x_1,x_2,x_3$$,. . ., what is the value of $$x_1$$ ?(1) $$x_l =\frac1 2 {x_{l-1}} $$ for all integers $$l > 1$$(2)$$x_5 = {x_4\over(x_4+1)}$$
PREP07 Test 1	The positive integer k has exactly two positive prime factors, 3 and 7. If k has a total of 6 positive factors, including 1 and k, what is the value of k?(1) $${3}^{2}$$ is a factor of k.(2) $${7}^{2}$$ is NOT a factor of k.
PREP07 Test 1	If the speed of x meters per second is equivalent to the speed of y kilometers per hour,what is y in terms of x ?(1 kilometer = 1,000 meters)
PREP07 Test 1 GWD	The particular design of muscles and bones in the neck and limbs of the turtle allow that it can draw in its exposed parts such that an attacker can find nothing but hard shell to bite.
PREP07 Test 1	If l and k are lines in the xy-plane, is the product of the slopes of l and k equal to -1 ?(1) Line l passes through the origin and the point (1, 2).(2) Line k has x-intercept 4 and y-intercept 2.
PREP07 Test 1	If d is the standard deviation of x, y, and z, what is the standard deviation of x + 5, y + 5, and z + 5 ?
PREP07 Test 1 GWD	A recent review of pay scales indicates that CEO's now earn an average of 419 times more pay than blue-collar workers, compared to a ratio of 42 times in 1980.
PREP07 Test 1	At a certain company, the average (arithmetic mean) number of years of experience is 9.8 years for the male employees and 9.1 years for the female employees. What is the ratio of the number of the company's male employees to the number of the company's female employees?(1) There are 52 male employees at the company.(2) The average number of years of experience for the company's male and female employees combined is 9.3 years
PREP07 Test 1	A student worked for 20 days. For each of the amounts shown in the first row of the table,the second row gives the number of days that the student earned that amount. What is the median amount of money that the student earned per day for the 20 days?
PREP07 Test 1	In the past several years, astronomers have detected more than 80 massive planets, most of them as large or larger than Jupiter, which circle other stars.
PREP07 Test 1	An attorney charged a fee for estate planning services for a certain estate. The attorney’s fee was what percent of the accessed value of the estate?(1)The accessed value of the estate was $1.2 million.(2)The attorney charged $2,400 for the estate planning services.
PREP07 Test 1	A 4-person task force is to be formed from the 4 men and 3 women who work in Company G's human resources department. If there are to be 2 men and 2 women on this task force, how many different task forces can be formed?
PREP07 Test 1	Among lower-paid workers, union members are less likely than nonunion members to be enrolled in lower-end insurance plans imposing stricter limits on medical services and requiring doctors to see more patients, and spend less time with each.
PREP07 Test 1	For each of her sales, a saleswoman receives a commission equal to 20 percent of the first $500 of the total amount of the sale, plus 30 percent of the total amount of the sale in excess of $500. If the total amount of one of her sales was $800, the saleswoman's commission was approximately what percent of the total amount of the sale?
PREP07 Test 1	During a one-day sale, a store sold each sweater of a certain type for $30 more than the store's cost to purchase each sweater. How many of these sweaters were sold during the sale?(1) During the sale, the total revenue from the sale of these sweaters was $270.(2) During the sale, the store sold each of these sweaters at a price that was 50 percent greater than the store's cost to purchase each sweater.
PREP07 Test 1	At one time, the majestic American chestnut was so prevalent that it was said a squirrel could jump from tree to tree without once touching the ground between New York State and Georgia.
PREP07 Test 1	An integer greater than 1 that is not prime is called composite. If the two-digit integer n is greater than 20, is n composite?(1)The tens digit of n is a factor of the units digit of n.(2)The tens digit of n is 2.
PREP07 Test 1	If $10,000 is invested at x percent simple annual interest for n years, which of the following represents the total amount of interest, in dollars, that will be earned by this investment in the n years?