Simplify the radical expression. Assume that variables represent positive numbers.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the exact value of the expression.tan 345°
A. 
B. 2 + 
C. -2 - 
D. 
Mathematics
Find a general term an for the arithmetic sequence.a1 = 20, d = 10
A. an= 10n + 10 B. an= 20n C. an= 10n + 20 D. an= n + 10n
Mathematics
Find all real solutions. Do not use a calculator.4x3 - x + 4 = 16x2
A. 
B. {±2, 4}
C. {±1, 4}
D. 
Mathematics
Determine the maximum possible number of turning points for the graph of the function.f(x) = - x2 - 14x + 13
A. 1 B. 0 C. 2 D. 3
Mathematics