Let f(x)=x2−3x−4 . what is the average rate of change from x = 7 to x = 10? question 6 options: 24 14 66 42

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

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?

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?