A van travels 300 miles on 15 gallons of gas. find how many gallons the van needs to travel 360 miles

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove