Jorge and Sally leave school at the same time. Jorge walks 300 yards north and the 400 yards east. Sally rides her bike 600 yards south and then 800 yards west. What is the difference between the two students.

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.