Please help me with this.

The verbal translation for the difference of m and 7 increased by 15

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.

Find the area of an equilateral triangle with a side of 6 inches