I will give brainliest!

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

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.

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12