PLEASE ASAP ILL GIVE BRAINLIEST. the

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.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1