This morning, Rafael's car had 14.23 gallons of fuel. Now,2.7 gallons are left. How much fuel did Rafael use

Rafael's car used up 11.53 gallons of fuel.

he used 11.53

Step-by-step explanation: 14.23-2.7= 11.53

area of part 1:

a1=base*height/2=(8+2)*(8-2-2-1)/2=10*3/2=15 ft^2

area of part 2:

a2=length*width=(8+2)*1=10 ft2

area of part 3:

a3=length*width=8*2=16 ft2

total shaded area : a1+a2+a3=41 ft2

total area of the reactangle : a=16*8=128 ft2

total area of the nonshaded region : 128-41=87 ft2

687.09 dollars       happy now

step-by-step explanation: 6870

1857 times .63 equals 1169.91 subtract that from 1857 you get 687.09