Answer:
X = 37
Step-by-step explanation:
Polygon = 360 Degrees
(x+9)+(2x)+(x-1)+(3x)+(x)+(x+19)=360 [Solve for x]
Then the car will travel 51 miles on 1 gallon of diesel
Answer:
a= 
Step-by-step explanation:
to find a isolate it on one side by taking 1/3 by subtraction to the other side
a=
-
= 