Use the even-odd properties to find the exact value of the expression. Do not use a calculator.cos (-30°)
A. - 
B. - 
C. 
D. 
Answer: C
Mathematics
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Find the interval of convergence of the series.
A. 0 < x < 2 B. -1 < x < 3 C. x < 3 D. -3 < x < 3
Mathematics
Write the expression as a single logarithm.2log4 (4x - 3) + 5log4(6x + 8)
A. log4 (4x - 3)2(6x + 8)5
B. 10log4 (4x - 3)(6x + 8)
C. log4 [(4x - 3)2 + (6x + 8)5]
D. log4 
Mathematics
Write the percent as a fraction or mixed number in lowest terms.
%
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A stockbroker bought 5 shares of stock for $28.28 each. What was the total amount of the purchase?
A. $141.30 B. $141.51 C. $141.40 D. $141.50
Mathematics