The product of 5 abd the difference of 1 and a number

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.

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10