Answer: if i did my math correctly, 72 degrees is ur answer.
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Answer:
19.) 
20.) 
21.) 
22.) 
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Glad to help
--Chris Jackson [High School Junior: Calculus Senior Honor Student]
Answer:
If it is that simple then do it yourself LOL
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The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try!
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I believe the answer is B
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