Simplify the expression.
A. 0
B. 1
C. undefined
D. 36
Answer: C
Mathematics
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List the elements of the set.If A = {-11, -9, -8, -7, -4} and B = {-11, -9, -8, -7}, list the elements of 
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Find the reference angle for the given angle.5.1
A. -1.18 B. -1.96 C. 1.18 D. 1.96
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Find the angle between the given vectors to the nearest tenth of a degree.a = 
and b = 
A. -3.5° B. 23.0° C. 6.5° D. 13.0°
Mathematics