Evaluate or simplify the following the expression.72 × 7-2
A. 
B. 1
C. 49
D. 7
Answer: B
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Provide an appropriate response.True or False? Early in an installment loan term, the portion going toward interest is relatively high and the portion going toward principal is relatively low. As the term proceeds, the portion going toward interest gradually decreases and the portion going toward principal gradually increases.
A. True B. False
Find the exact value of the expression.sin (tan-1 2)
A. 2
B. 
C. 
D. 5
Solve the problem.If tan ? = 
, and ? < ? < 
, then find tan 2?.
A. - 
B. 
C. 
D. - 
Find the exact value under the given conditions.sin ? = 
, 0 < ? < 
; cos ? = 
, 0 < ? < 
Find cos (? + ?).
A. - 
B. 
C. 
D. 