Car A and Car B are driving toward each other along a straight line. Car A travels at a constant speed of 60 miles per hour and Car B travels at a constant speed of 40 miles per hour. If at noon they are separated by a distance of 300 miles, at what time will they meet?

A foot race had 36 teams of a dozen runners each. By noon, $\frac{4}{9}$ of the teams had finished the race, and 70 percent of the remaining teams finished the race by one o' clock. How many teams had not finished the race by one o' clock?

A road declines at 30 degrees over a distance of 60 feet measured on the road's surface. At the base of the incline is a hole 7 feet deep. What is the difference in elevation between the top of the incline and the bottom of the hole?

The results of a survey given to students in a college class show that of the students are citizens of the U.S. only, are not citizens of the U.S., are citizens of both the U.S. and at least one other country, and 28 students did not respond. What is the total number of students surveyed?

A solution contains 18 grams of active ingredient within every 100 cubic milliliters of solution. How many grams of active ingredient would be contained in a vessel of 40 cubic milliliters of the solution?

In the figure above, if $x=40$, then $y-z=$

If $x=100!+11$, then x must be divisible by which of the following?

What is the sum of all the odd integers between 100 and 302?

A school currently maintains a fixed number of students per class. If the ratio of students per class were to be increased by 1, 10 fewer classes would be run for a total of 120 students. What is the current ratio of students per class?

For the positive numbers, $k$, $k+1$, $k-2$, $k+3$, what is the ratio of the mean to the median?

If , which of the following could be the value of ?

During the last two minutes before a lecture began, the number of occupied seats in an auditorium increased from 112 to 135. If the number of occupied seats at the beginning of the lecture was 75 percent of total capacity, how many seats in the auditorium were empty two minutes prior to the lecture?

The ground within a circular garden and around the base of a circular statue exactly in its center, as shown in the figure above, is to be covered with gravel. If the base of the statue is 2 feet in diameter, how many square feet are to be covered with gravel?

The author explicitly cites each of the following as evidence EXCEPT

According to the passage, which of the following is true of the ice cores extracted at low latitudes?

The author of the passage mentions women's right to vote primarily in order to

The author mentions that renaturation of the sample taken in Bergen, Norway did not follow ideal second-order kinetics in order to

According to the passage, when the scientists first began the design and construction of nanoparticles, they knew that

It can be inferred from the passage that the "media professionals and advertisers" mentioned in the highlighted text are most likely to believe which of the following to be true?