You need to hire an electrician to install new wiring in your house. Electrician A charges $75 plus 45 per hour. Electrician B charges $100 plus $40 per hour. (A). Write a system of equations for this situation. (B). For how many hours of work are the total costs the same for both electricians?

well kind of. you get friend requests. and you can accept them or not so yes.

step-by-step explanation:

answer: -10

step-by-step explanation:

s(t) = 1 - 10t

s(x) = 1 - 10x

s(x + h) = 1 - 10(x + h)

            = 1 - 10x - 10h

s(x + h) - s(x) = 1 - 10x - 10h - (1 - 10x)

                      = 1 - 10x - 10h - 1 + 10x

                      = -10h

= -10

i dont know