Each month. Diana donates the same amount of money to a charity. If she donates 1,500 in one year, how much does she donate each month?

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.