Giving loads points and medal.

which algebraic expression is equivalent to the expression below?

(4x + 12) + 7x
a.
-3x + 12
b.
23x
c.
16x + 7
d.
11x + 12

false

step-by-step explanation:

the reason i say this is because for a certain length of sides you can pick any two and the length is wither equal or greater than the third side and in this case it's not.

3 + 5 = 8

8 is smaller than 9 which is the third side.

hope this : )

step-by-step explanation:

for volume, add base x height x width