Represent the angle algebraically.If an angle measure is x°, represent 2 times its supplement algebraically.
A. 2(180 + x)
B. 2(90 - x)
C. 2(180 - x)
D. 2x
Answer: C
Mathematics
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A. (5a + 4b)(a - 7b) B. (5a + b)(a - 28b) C. (4a + 5b)(a - 7b) D. (5a - 7b)(a + 4b)
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Solve the problem. Write ratios in simplest form.A baseball team has played 9 games so far this season. The team won 8 games. What is the ratio of games won to games played so far?
A. 
B. 
C. 
D. 
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Find percent notation.0.0931
A. 0.00931% B. 9.31% C. 0.931% D. 93.1%
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Find the exact value of the expression.sin-1 
A. 
B. 
C. 
D. 
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