Find the polar coordinates, 
and 
, of the point given in Cartesian coordinates.(-
, -
)
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.Evaluate 
at t = 2? for the function w = x2 - y2 - 9x; x = cost, y = sin t.
A. -11 B. -13 C. 0 D. -7
Mathematics
Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.Foci at (-20, 0), (20, 0); asymptotes: y = 
x, y = - 
x
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Solve the problem.
Determine the coupon rate of a bond issued by Bank.
A. 4.950% B. 4.800% C. 5.050% D. 4.650%
Mathematics
Factor the perfect square.x4 + 10x2 + 25
A. (x2 + 5)2 B. (x + 5)2 C. (x2 - 5)2 D. (x + 5)(x - 5)
Mathematics