Answer:

Step-by-step explanation:
The scientific notation:

We have:

I guess the answer is 31 because two sides are the same so 12is the sa,e on the other side and 12+12=24 plus the 7 equals 31cm.
the answer is: identity property
Answer:
A. 3x + 3h + 8, B. Tx + Th - 3
Step-by-step explanation:
f(x+h) =3(x+h) + 8
=3x + 3h + 8
f(x+h) = T(x+h) - 3
= Tx + Th - 3