For the given regular polygon, find the measure of one angle.
A. 108°
B. 540°
C. 120°
D. 60°
Answer: A
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Determine whether the argument is valid or invalid.Sam plays tennis or George is not a man. If George is not a man, then Betsy does not win the award. Betsy wins the award. Therefore, Sam does not play tennis.
A. Valid B. Invalid
Solve the application and answer with a complete sentence.Last year, Mira bought school supplies that totaled $9.12. Of that amount, she paid 
What percent of the total paid for school supplies was not for paper?
A. 25% of the total paid for school supplies was not for paper. B. 75% of the total paid for school supplies was not for paper. C. 7.5% of the total paid for school supplies was not for paper. D. 1.3% of the total paid for school supplies was not for paper.
Provide an appropriate response. Find the slope of the line that passes through the points (1, 4) and (10, 7).
A. -1
B. 1
C. 
D. 3
Decide if the answer is reasonable or unreasonable by rounding the numbers and estimating the answer. If the answer is not reasonable, find the correct answer.21.3 ÷ 1.12 = 1.902
A. Unreasonable, should be 0.1902 B. Reasonable C. Unreasonable, should be 19.02 D. Unreasonable, should be 19