The owner of a city parking garage uses a rate table so that he can look up the parking charges quickly. enter a number as a decimal in each box to complete the table below. what is the garage's unit rate for parking? kristin was charged $42.25 for parking. how many hours did she park her car at the garage? enter the answer as a mixed number in the simplest form.

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

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?

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$