Okay, so you what you would is solve one equation for Y=mx+b and then substitute this equation for Y so the answer would be Y=-3/2x + 20
And then you would do 2x-3(-3/2x+20)=-11 and you solve it for x
But to get y you would substitute what you got for x into ether equations.
Answer:
the $45 per hour mechanic worked 2 hours
the $120 per hour mechanic worked 8 hours
Step-by-step explanation:
45 X 2 = 90
120 X 8 = 960
960 + 90 = 1050
Answer:
The radius is half the diameter
Step-by-step explanation: what it is
correctly (was that a question)