What's the circumference of a
circle with a diameter of 18 inches?
Use 3.14 for pi

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

Mr. walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?