Answer:
10 gallons
Step-by-step explanation:
84 ÷ 6.5 =12.9(The unit rate.)
Seeing as one gallon can get you 12.9 miles;
126÷12.9=9.7
So the answers 9.7 gallons, but if you need to round, then 10 to get a whole number.
Yes, for every value of x, there is only one value of y. This means that y is a function of x.
Y2-Y1. 77-11 66 11
———— = ———- = —- = —
X2-X1 42-6 36 6