Please asap 20 point

Write a division equation you could use to find a, the number of miles ava is in charge of. what is the value of a? write your answer is simplist form

In a school 2/3 of the students study a language of those who study a language 2/5 study french

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.