Which is an equation of the line that passes through the point (5,-2) and has a slope of -3?
(1) y=-3x – 13
(2) y = 3x – 13
(3) y=-3x + 13
(4) y = 3x + 13

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.