Which rate is equivalent to the unit rate of 13 miles per gallon?
twenty-six miles over two gallons
two gallons over twenty-six miles
thirty-nine miles over four gallons
four gallons over thirty-nine miles

where's the diagram?

step-by-step explanation:

solve systems of equations by graphing. a system of linear equations contains two or more equations e.g. y=0.5x+2 and y=x-2. the solution of such a system is the ordered pair that is a solution to both equations. to solve a system of linear equations graphically we graph both equations in the same coordinate system