Perform the indicated operation and simplify if possible.(3x + 8)2
A. 9x2 + 64
B. 9x2 - 64
C. 9x2 + 48x - 64
D. 9x2 + 48x + 64
Answer: D
Mathematics
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= 5
A. 1.6 B. -1.6 C. -2.4 D. 2.4
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Use the given information to find the exact value of the trigonometric function.cos ? = - 
; sin ? > 0
Find cos 
.
A. 
B. 
C. - 
D. - 
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Evaluate the factorial expression.
A.
B. 1
C. 9!
D. 9
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Find the function value.cos2 
A. 
B. 
C. 2 + 
D. 
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