A painter charges $25 per hour plus $50 to paint a house. The painter painted a house for less than $725. Which inequality can be used to determine all the possible numbers of hours (x) it took the painter to paint the house?

Select all the expressions that will include a remainder.

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.

Mrs. blake's bill at a restaurant is $42.75. she wants to leave the waiter an 18% tip. how much will she pay in all, including the tip?