V=(7*6)/2 *8 the third option
you multiply the height with the base of the triangle and you get the area of the base of the prism so you multiply it with the height of the prism to get the volume
Answer:
Step-by-step explanation:

multiply by
on each side

add 1 on both sides 
make it equal 0

Factor

answer is 3 and -1
Answer:

Step-by-step explanation:
U can reduce this into

Which is a square.
Answer:
(B)
Step-by-step explanation:
(A)The given equation is:

Substituting the value of x=20, we get



(B) The given equation is:

Substituting the value of x=20, we get


(C) The given equation is:

Substituting the value of x=20, we get


(D) The given equation is:

Substituting the value of x=20, we get


Thus, the equation
results in the highest earning y.