Simplify the trigonometric expression by following the indicated direction.Rewrite over a common denominator: 
+ 
What will be an ideal response?
Mathematics
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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.A hyperbola having a focus at (
, 0) and corresponding directrix 
.
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Solve. 15 + 2y = y2
A. 5, 3 B. -3, -5 C. 5, -3 D. 3, -5
Mathematics
Determine whether the improper integral converges or diverges.
A. Converges B. Diverges
Mathematics
Find the average.$27.61, $59.28, $45.15, 
A. $42.00 B. $27.61 C. $35.00 D. $45.15
Mathematics