The value of the digit on the left is always 10 times as great as the value of the digit on the right. name the values of the given digits. the 3s in 1,338

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?

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0