Kim wants to know how many families in her small neighborhood of 70 homes would participate in a neighborhood sports event. she put all the addresses in a bag and drew a random sample of 35 addresses. she then asked those families if they would participate in the sports event. she found that 15% of the families would participate in the event. she claims that 15% of the neighborhood families would be expected to participate in the sports event. is this a valid inference?

Consider the table below. x y -1 -5 0 5 1 11 2 13 3 11 complete the standard form equation representing the quadratic relationship displayed above, where a, b, and c are constants.

Which value would be a solution for x in the inequality 47-4x< 7

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?