8a+3b-10+c^2when a =2,b=5,and c=4:
(8)(2)+(3)(5)−10+42
=16+(3)(5)−10+42
=16+15−10+42
=31−10+42
=21+42
=21+16
=37
Answer:
Step-by-step explanation: fhfhbrdbvrbdbdvdbdvdcdvdvd
Fred drove 37.18 miles with per gallon & his brother drove 40.23 miles with per gallon. so Fred isn't correct.