4x(5x_)=(_x_)x3 associative property

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

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.