Which of the following represents "four times the square of a number is thirty-six"?

a) 4^2x = 36
b) 4x^2 = 36
c) (4x)^2 = 36

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.