Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.A hyperbola having a vertex at (0, -5) and eccentricity equal to 2
A. 
- 
= 1
B. 
- 
= 1
C. 
+ 
= 1
D. 
- 
= 1
Answer: B
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Simplify the expression. Write the result using positive exponents only.
A. - m3 B. m3 C. m1/3 D. - m1/3
Fill in the blank with one of the words or phrases listed below. 
The 
of two sets is the set of all elements common to both sets.
A. absolute value B. solution C. union D. intersection
Solve the problem.Lisa has 5 skirts, 9 blouses, and 4 jackets. How many 3-piece outfits can she put together assuming any piece goes with any other?
A. 360 possible outfits B. 45 possible outfits C. 18 possible outfits D. 180 possible outfits
Find a rectangular equation for the curve with the given parametric equations.x = 4 sin t, y = 4 cos t; for t in [0, 2?]
A. x2 + y2 = 16
B. y = 
= 16
C. y = x2 - 9
D. y2 - x2 = 16