Convert 15/125 as a decimal using long division

Which representation has a constant of variation of -2.5

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 │–14│ a. 14 b. –14 c. start fraction 1 over 14 end fraction