Answer:
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Step-by-step explanation:
Answer:

Step-by-step explanation:
To solve this problem, first you have to use the order of operations stands for parenthesis, exponents, multiply, divide, add, and subtract from left to right. Remember to use the order of operations stands for "Please Excuse My Dear Aunt Sally."
Do parenthesis first.


Next, exponent.


Multiply & divide numbers from left to right.

Finally, add & subtract numbers from left to right.

As a result, the correct answer is 21.
Answer:

Step-by-step explanation:
First, use distribution to simplify

Then, simplify further by combining like terms

Solve

Answer:
Each interior angle of a pentagon equals 108 degrees.
Therefore Angle U = 108 degrees.
The angle of the square is 90 degrees.
Therefore, Angle x = 360 - 108 -90 degrees = 162 degrees!
Step-by-step explanation:
A..Just plus it if not wrong