Find the greatest common factor of
36, 48, 80.

15 point ! ~ see if you know the answer to both you!

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39

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.