35 - 21 + 6m write a equivalent expression for this

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Reflect the point (7,0) across the y-axis

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.