Answer:
= $3.5/gallon
56
Step-by-step explanation:
Multiply -8 on both sides and k = 56
Slope is the change in y over the change in x
Slope = (1-0) /( -3 - -4)
Slope = 1/1
Slope = 1
x= 4
2x-1=9
simplify 9-1 to 8
Divide both sides by 2
x=8/2
Simplify 8/2 to 4
x=4