Helppp this is mathh iready #6th grader
pls
which one???
math iready

Can someone me with this problem i don't understand i need

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.

What is the perimeter of an equilateral triangle if each side is (x+3)?