Identify the pairs of complementary or supplementary angles, as indicated.Complementary
A. ?CBD & ?DBE; ?ABF & ?FBE
B. ?ABF & ?FBE
C. ?CBE & ?EBA
D. ?FBE & ?EBD; ?ABF & ?CBD
Answer: A
Mathematics
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Provide an appropriate response.Divide the radicals and simplify: 
A. 15
B. 20
C. 27
D. 45
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Provide an appropriate response. If the discriminant of a quadratic has the value of 8, what is the nature of the roots?
A. The equation has no real number roots. B. The equation has one rational root. C. The equation has two real number roots. D. The equation has two real number equal roots.
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Find the exact value of the expression.cos 
cos 
- sin 
sin 
A. 0
B. 1
C. -1
D. 
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Find the probability of the compound event.If two 12-sided dice are rolled what is the probability that both numbers will be even?
A. 
B. 
C. 
D. 
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