Answer:
Factoring the term
we get 
Step-by-step explanation:
We need to factor the term 
First we can see that
is common in both terms
So, taking
common:

We can write
as 

Now we can solve
using the formula: 
We can write:

So, factoring the term
we get 
Answer:
8x^2 + 34; 45.52 centimeters
Step-by-step explanation:
The perimeter is twice the sum of adjacent edges of a rectangle:
P = 2((2x^2 +9) +(2x^2 +8)) = 2(4x^2 +17)
P = 8x^2 +34
Then when x=1.2, the perimeter is ...
P = 8(1.2^2) +34 = 8·1.44 +34 = 45.52 . . . . cm
Answer:
112in²
Step-by-step explanation:
Formulas: V =
, V = lwh
Sub: v = 
Solve: 32
Sub: v = 4 x 4 x 5
Solve: 80
V = 80 + 32
V = 112
<u>The total volume of the figure is 112in²</u>