Afruit salad recipe requires 20 cups of blueberries, 22 cups of strawberries, and 18 cups of grapes. to make a batch with 3 cups of grapes, how many cups of berries are needed in all? a. 7 cups b. 6 cups c. 5 cups d. 4 cups (i think it is b, but can someone me confirm)

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

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?

Hey hotel charges guests $19.75 a day to rent five video games at this rate which expression can be used to determine the charge for renting nine video games for one day at this hotel? pls