Evaluate. Write your answer as a fraction in simplest form.
5 3 1
+
6 5 2

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

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.

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.