Express the sum or difference as a product of sines and/or cosines.sin 
+ sin 
A. 2 sin 
sin ?
B. 2 sin 
cos ?
C. 2 cos(7?) sin ?
D. 2 sin(7?)
Answer: B
Mathematics
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Divide. Write with positive exponents.
A. 10x + 2
B. 5x + 2
C. 5x + 2 + 
D. 5x - 10x5 + 
Mathematics
Graph the function.f(x) = x4/9
A. 
B. 
C. 
D. 
Mathematics
For the given arithmetic series, what is Sn?a1 = 10, d = 11, and n = 40
A. 17,960 B. 35,920 C. 8980 D. 8990
Mathematics
What percent of 1,600 is 2,500?
a. 27% b. 49% c. 54% d. 64% e. 71%
Mathematics