Need with this question -9×3-4^2/ 3^2 + 2^2

Solve the equation x/4 - 5= -8 -27 -12 -7 12

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)

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.