Identify the constant of proportionality.

y=22x

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.

Which function has the domain x> -11?

Coleen made 1,000 bracelets to sell at a flea market. she sold each bracelet for $5.50. if she sold all of the bracelets, how much money did coleen make? $550 $5,500 $55,000 $550,000