Rationalize the denominator. Assume all variables represent positive numbers.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Simplify the expression.cot x sec x sin x
A. csc2 x B. sec2 x C. tan2 x D. 1
Mathematics
Solve the quadratic equation by completing the square.9x2 + 36x + 35 = 0
A. 
B. 
C. 
D. 
Mathematics
Add.
+ 0 + 809 + -5246
A. 4513
B. 5979
C. 
D. 
Mathematics
Find the center of the ellipse.
+ 
= 1
A. (-6, 0) B. (6, 0) C. (0, -6) D. (16, 25)
Mathematics