Answer:
just multiply length times width times height
Step-by-step explanation: i did it before and i go it right and it never fails
Answer:
Not a solution
Step-by-step explanation:
In order for
to be a solution, the result after substituting must be 0:




Therefore,
is not a solution to 
Answer:
Step-by-step explanation:
If Lois is 4 times as old as her son and we don't know how old the son is, the son's age is x and his mother's age is 4x (4 times the son's age). The word sum means to add, so the equation for this is
x + 4x = 40
Answer:

Step-by-step explanation:
<h3>Given equation:</h3>
-4 + 3y = -3
Add 4 to both sides
3y = -3 + 4
3y = 1
Divide 3 to both sides
<h3>y = 1/3</h3>
![\rule[225]{225}{2}](https://tex.z-dn.net/?f=%5Crule%5B225%5D%7B225%7D%7B2%7D)
Answer:
4 (3x^2 + 2)
Step-by-step explanation:
Factor 4 out of 12x^2 +8.