A plumber charges $30 for a service call plus $75 per hour of service. Write an equation for the cost, C, after h hours of service.

What will be the total cost for 4 hours of work?

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

Francis is getting new carpet tiles in his living room and den. his living room and den are connected. he needs to figure out how much carpet he needs and the cost involved. if each tile costs $2.00 per sq ft, how much would it cost to have new tile put in the den? a) $24 b) $36 c) $48 d) $54 plz awnser soon