What does an autopolarity meter do

How far could you drive on 50 gallons of gas

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.

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school