Brock is a plumber. he charges a flat rate of $40 to visit a house to inspect it's plumbing. he charges an additional $20 for every hour he spends inspecting or making repairs.

Line gh passes through points (2, 5) and (6, 9). which equation represents line gh? y = x + 3 y = x – 3 y = 3x + 3 y = 3x – 3

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.