19 ! andy is two-fifths of ruth's age. if ruth is ten, how old is andy? type just the number in the box.

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 represents the length of a diagonal of this trapezoid?

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid