Give the exact value of the expression.cos 
A.
B.
C.
D.
Answer: C
Mathematics
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Find the reciprocal.
A. 10
B. 
C. -10
D. -1
Mathematics
For the proportion, find the unknown number n.
= 
A. 
B. 13
C. 
D. 22
Mathematics
Perform the division.
A. x2 - 4 B. x2 + 4x - 21 C. x + 4 D. x - 4
Mathematics
Write the expression in condensed form.logb 7x + 3(logb x - logb y)
A. 
B. logb 
C. logb (7x + x3 - y3)
D. logb 
Mathematics