How much interest will you have to pay for a credit card balance of $911 that is 1 month overdue if a 21% annual rate is charged?

Why do interests rates on loans to be lower in a weak economy than in a strong one

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.

Ateacher brought a pack of 17 batteries . each calculator uses 3 batteries . how many calculator can the teacher fill with batteries