Write an expression to represent: three times the sum of 5 and a number, n Hana's car used 3/4 of a tank of gas to cross Arizona. The gas tank on her car holds 15 1/2 gallons. how many gallons of gas did it take to cross Arizona, what was her mpg?
also that

i believe that the slope of the line is -5

step-by-step explanation:

wth is with the little mtn top and what are you talking about like fix your words and accually make sence with them and i like was in a completly different question like three times like it seems like your ilitteret

the height of the surface increases from the center out to the sides of the road.

step-by-step explanation:

as we move out we move away from the x-axis.

and as mentioned in the problem statement that height of a road increases when we move away from the center x.

hence proved that 3rd option

the height of the surface increases from the center out to the sides of the road.

is the correct option.