Solve the problem.Alex and Juana went on a 52-mile canoe trip with their class. On the first day they traveled 13 miles. What percent of the total distance did they canoe?
A. 4%
B. 0.25%
C. 400%
D. 25%
Answer: D
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Identify equilibrium values and determine which are stable and which are unstable.
= y2 - 2y
A. y = 2 is a stable equilibrium value and y = 0 is an unstable equilibrium. B. y = 0 is a stable equilibrium value and y = 2 is an unstable equilibrium. C. y = 0 and y = 2 are unstable equilibrium values. D. There are no equilibrium values.
Find the flux of the curl of field F through the shell S.F = (5y + 5)i - 4xj + (ez - 5)k; S: r(r, ?) = 4 sin ? cos ?i + 4 sin ? sin ?j + 4 cos ?k, 0 ? ? ? 2? and 0 ? ? ? 
A. -144? B. -288? C. 144? D. 288
Determine the standard equation of the hyperbola with the given characteristics and sketch the graph.The center is at (0, 0), a focus is at (
, 0), and a vertex is at (2, 0).
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
In the problem, P = (x, y) is the point on the unit circle that corresponds to the real number t. Find the exact value of the indicated trigonometric function of t.
?Find csc t.
A. - 
B. - 
C. 
D. 