7a construction company orders tile flooring for the kitchen and three bathrooms of a new home. the
kitchen floor measures 48 square feet. two bathrooms have floors that each measure 30 square feet.
the third bathroom floor measures 42 square feet. if the tile costs $2.39 per square foot, what is the
least amount of money, to the nearest cent, the company spends on tile for all three bathrooms?
8 zeek makes a picture frame in shop class like the one shown. the frame is designed for a picture
measuring 5 inches by 7 inches. the frame is 2-inch wide on all sides. how many square inches of
wood does zeek use to make the frame?

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?