Answer: B, Each of the sums is 180 degrees.
Step-by-step explanation:
Since a 180 degree angle is always a flat line, and that is the case for this,
Each of the sums is 180 degrees.
Answer:

Step-by-step explanation:
There aren't any factors that cancel (except 3x). The best you can do is multiply it out.

Answer:
The answer is 15.
Step-by-step explanation:
3 Times 5 equals 15.
Answer:
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Step-by-step explanation:
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