I believe the answer is 5x^3/8
Distributive Property, Subtraction Property of Equality, Multiplication Property of Equality
The first one is true
this is the equation: y=ax
you can put one of the points on the line as x and y. for example (2,8)
First, find 1/2 of 3. That is 1.5 gallons. Since there are 4 quarts in a gallon, do 1.5*4 to get 6.