13/3 i belive i just subtracted it not sure if its right hoped i helped
Initial amount of fuel in the tank = gallons
Amount of fuel used =
Amount of fuel left =
= gallons are left
Answer:
A. a is where performance is minimal
Step-by-step explanation:
b is representing peak performance.
let x=one number =
x-2= another number
x²- (x-2)²=20
x²-x²-4x+4=20
-4x=20-4
-4x=16
x=16/-4
x=-4
one number is -4
x-2
-4-2
=-6
the another number is -6
Answer:the 3 firts and the last one
I just did it
77
13×7=91
91-(3×4)-(1×2)
91-12-2