The answer is c.
8x8=64 and 64x8=512
Answer:
2x
Step-by-step explanation:
The equation would be x+2x+2x=5x.
You can rewrite the equation as 1x+2x+2x=5x because that is the same thing.
Then you combine all of the like terms, and because they all have an x you just add them together.
Hope this helps!
Answer:
91
Step-by-step explanation:
7 (2 + 11)
Use PEMDAS
7 (13) = 91
Answer:

Step-by-step explanation:
we are given

Firstly, we will distribute it

now, we can simplify it



so, we get simplified term as

Answer:

Step-by-step explanation:
Look at the picture.
Use the Pythagorean theorem:

We have:

Substitute:

<em>multiply both sides by 4</em>
<em>subtract 81 from both sides</em>
<em>divide both sides by 4</em>
