find the equation of a line that passes through the point
(0,7) with a slope that is the opposite of the slope of the
line with equation y = -x-5.

Question 5 spring semester final exam math evaluate

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

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.