Add or subtract. Write the answer in lowest terms.
+ 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the limit.
cos 
A. 0
B. -1
C. 
D. 1
Mathematics
Find the domain and range for the indicated function.f(x) = 5,
g(x) = 5 + 
;
g/f
A. D: x ? 0 R: y ? 1 B. D: x ? -5 R: y ? 0 C. D: x ? 0 R: y ? 1 D. D: x ? 0 R: y ? 5
Mathematics
Solve the problem.Express 45° as ? - ?, where cos ? and cos ? are known exactly.
A. 165° - 120° B. 80° - 35° C. 163° - 118° D. 167° - 122°
Mathematics
Simplify.211 ÷ 24 ? 25 ÷ 22
A. 1 B. 16 C. 1024 D. 512
Mathematics