PLEASE HELP WITH THE FOLLOWING

Which of the following is a justification used while proving the similarity of triangles lom and mon

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. y = 5x^2 + 10x