Use the substitution method to solve the system of equations, y = -8x
4x - y = 3
OA. (1/2,-1) OB. (1/2,-4) OC. (1/4,-2) OD. (1/4,-4)

168

step-by-step explanation:

first off, we know that he drove 3.5 hours at a rate of 48 mph.

knowing that, we want to see how many miles he drove all-together.

in this case, we can just multiply 48 by 3.5.

48 * 3.5 = 168

6(h+1)/2=a

a=area

step-by-step explanation:

its the same thing as a square or rectangle but after multiplying two sides you need to divide it by two.

your answer is b.

1,333 cubic feet  

and i know this one is right.