Select the correct answer. Which of the following is equal to the expression below? A. B. C. D.

You are constructing a histogram for scores that range from 70 to 100 in whole points. frequencies range from 3 to 10; that is, every whole-point score between 60 and 100 occurs at least 3 times, and at least one score occurs 10 times. which of these would probably be the best range and size for the score intervals along the x-axis?

Factor and solve to find roots x squared -x - 90 =0

A. 530 ft^2 b. 500 ft^2 c. 470 ft^2 d. 450 ft^2