Mobil gas station sells different kinds of gasoline: regular, plus, premium. mr. adams spent $36.25 on 12.5 gallons of regular gasoline at mobil gas station. determine the cost per gallon for regular gasoline.
the wonders of calculators
for points btw
option a. the slope is 1/2.
replacing the known values:
the slope is 1/2> 0 (positive), then the line rises