Please help i have to resit math final so bare with me help me with this equation : x^2 - 7 = 0 IN QUADRATIC EQUATION

PS. 1st one to answer gets a crown :)

5x + 2 = 12 solve the following equation. then place the correct number in the box provided.

What properties allow transformation to be used as a problem solving tool

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.