Ray's car wash received $25 for washing 5 cars. how much money does ray's car wash earn per car?

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 following parabolas opens down?

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)