Add. Write your answer in lowest terms.
+ 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Divide to find the exact answer. Express the answer as a whole or mixed number when possible and simplify.3
÷ 1
A. 2
B. 2
C. 2
D. 3
Mathematics
Find the value of the trigonometric function.cot (218.35°)
A. -1.264 B. -0.7912 C. 1.264 D. 0.7912
Mathematics
Evaluate the function for the given value of x.f(x) = x2 + 9 , x = 5
A. f(5) = 24 B. f(5) = 46 C. f(5) = 34 D. f(5) = -21
Mathematics
Find the exact value of the expression.cos 40° cos 20° - sin 40° sin 20°
A. 
B. 
C. 
D. 
Mathematics