Classify each angle as acute, right, obtuse, or straight.The measure of a straight angle is 
.
A. 180°
B. between 0° and 90°
C. 90°
D. between 90° and 180°
Answer: A
Mathematics
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Use long division to determine whether the binomial is a factor of f(x).f(x) = x4 - x3 - 3x2 + 4x + 7; x + 2
A. No B. Yes
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Express in exponential form.x ? x ? x ? x ? x
A. 5(x) B. 5 C. 5x D. x5
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Give the numerical coefficient of the term.-8y
A. -8 B. y C. 8 D. 8y
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Express the product as a sum containing only sines or cosines.cos(4?) cos(7?)
A. 
[cos(11?) - cos(3?)]
B. 
[cos(11?) - sin(3?)]
C. 
[cos(3?) + cos(11?)]
D. cos2(19?2)
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