Jessica wants to run 10 miles a week. She ran 3 miles on Monday and 4 ½ on Wednesday. How many miles would she have to run on Friday to make her 10 mile goal?

The surface area (sa) of a cube with a as the length of each of its sides is given by the formula . if the surface area is known, how can you rewrite the formula to find its side?

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.

Can someone tell me if this is perpendicular? !