Please limit the number of questions per thread to no more than 1.
17x= 13 and 8 are both y's so you combine them by subtracting 13 from both sides and then you have 17x=-5y
Answer:

Step-by-step explanation:
Just divide distance by gasoline used.. B car is 426 divided 12 is 35.5 miles per gallon
There is something wrong with drawing. IC intercepts with AB at A.