Andrew is building a model of the solar system. he uses the sun as the center of the model. he uses string to represent the circular motion of the earth revolving around the sun he places the earth at a distance of 7.5 inches from the sun. how much string does he use? plz mee

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?

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test