0.75(8+e)=2-1.25e what does "e' equal

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

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.

Which of the functions graphed below has a removable discontinuity?