Elizabeth has $72 to spend on painting supplies needed to repaint her house. Rollers cost $4 each, and paintbrushes are $3 each. She needs at least 15 rollers and
paintbrushes combined and wants at least five of each.

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Apool measures 12.3 feet by 16.6 feet. if the longer wall of the pool has a diagonal of 17.8 feet, what is the volume of the pool? (round to nearest tenth)

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.