In the coordinate plane, a circle has center (2, -3) and passes through the point (5, 0).  What is the area of the circle?

The membership of a committee consists of 3 English teachers, 4 Mathematics teachers, and 2 Social Studies teachers.  If 2 committee members are to be selected at random to write the committee’s report, what is the probability that the two members selected will both be English teachers?

Last Sunday a certain store sold copies of Newspaper A for $1.00 each and copies of Newspaper B for $1.25 each, and the store sold no other newspapers that day.  If r percent of the store’s revenues from newspaper sales was from Newspaper A and if p percent of the newspapers that the store sold were copies of newspaper A, which of the following expresses r in terms of p?

If the number 52,1n9, where n represents the tens digit, is a multiple of 3, then the value of n could be which of the following?

A certain company assigns employees to offices in such a way that some of the offices can be empty and more than one employee can be assigned to an office.  In how many ways can the company assign 3 employees to 2 different offices?

A wholesaler bought 1,200 radios for $18 each.  The wholesaler sold 60 percent of the radios for $30 each and the rest for $15 each.  What was the wholesaler’s average (arithmetic mean) profit per radio?

The sum of all the integers k such that –26 < k < 24 is

A driver completed the first 20 miles of a 40-mile trip at an average speed of 50 miles per hour.  At what average speed must the driver complete the remaining 20 miles to achieve an average speed of 60 miles per hour for the entire 40-mile trip?  (Assume that the driver did not make any stops during the 40-mile trip.)

If the average (arithmetic mean) of x, y, and 20 is 10 greater than the average of x, y, 20, and 30, what is the average of x and y?

A certain business produced x rakes each month form November through February and shipped ~$\frac{x}{2}$~ rakes at the beginning of each month from March through October.  The business paid no storage costs for the rakes from November through February, but it paid storage costs of $0.10 per rake each month from March through October for the rakes that had not been shipped.  In terms of x, what was the total storage cost, in dollars, that the business paid for the rakes for the 12 months form November through October?