Relation can be represented by each of the following except A. Graph B. Ordered Pairs C. Arrow Diagram D. Inequality​

How do you convert 1.27 to a percentage

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.

If the scale factor between two circles is 2x/5y what is the ratio of their areas?