Answer:
No.
Step-by-step explanation:
Waves are energy moving through the matter, but they leave the matter in the same place as they pass through.
The perimeter is all sides length added together. You can make an equation:5+5+x+x where x is the length.
5+5=10 18-10=8 There is two sides so you do eight divided by two
The length is 4
Answer:

Step-by-step explanation:

Double negative = Positive:

Apply negative exponent formula:

Multiply:

Apply exponent rule: 
Thus, 
Simplify:

Answer:

Step-by-step explanation:
Split the diametre in half before proceeding:

I am joyous to assist you at any time.
Answer:
Well there are many different ways to find 8x5=40 to 8x6=__
You could add 8 to 40 and get 48.
or you could draw pictures to represent the 48.
8x6=48