Acar travels 17 miles on one gallon of gas.

express y in terms of x if the car uses y gallons to travel x miles

y*17x

Step-by-step explanation:

y is a gallon so LEARN!

127

whether it's diameter, or radius, i believe if i remember correctly from school, every amount has to always add up to 180. so if you take 53, and starting adding, long story short, taking 127 and adding it to 53, gives you 180.