Line segment ab has endpoints a(10, 4) and b(2, 8). find the coordinates of the point that divides the line segment directed from a to b in the ratio of 1: 4.

Find the slope of a line given the following two points

Arecipe uses 2 cups of sugar to make 32 brownies. how many cups of sugar are needed to make 72 brownies?

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.