The graph shows a proportional relationship between a person's total savings in dollars and the number of weeks they have been saving. write an equation that models the savings.

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

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?