Perform the operation indicated. Simplify.
+ 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the limit.Let 
f(x) = 5 and 
g(x) = 6.Find 
.
A. 121
B. 11
C. 
D. 
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Use a calculator to find the approximate value of the expression rounded to two decimal places.tan 50°
A. 1.33 B. -0.13 C. 1.19 D. -0.27
Mathematics
Solve the problem.If 4 hours are required to type 12 pages, how many hours would be required to type 21 pages?
A. 8 hours B. 7 hours C. 3 hours D. 2 hours
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The rectangular coordinates of a point are given. Find polar coordinates for the point.(-9, 0)
A. (-9, ?)
B. 
C. 
D. (9, ?)
Mathematics