Illustration shows three circles traced out by a figure skater during her performance. If the centers of the circles are the given distances apart, find the radius of each circle.
?
?
?
A. 
B. 
C. 
D. 
E. 
Answer: A
Mathematics
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Write the expression in terms of sines and/or cosines, and then simplify.
(sin x - 1)
A. 
B. 
C. -sin2 x
D. -cos2 x
Mathematics
Choose the equation that matches the graph.
A. y2 = 4x B. y2 = -4x C. -4y2 = x D. x2 = -4y
Mathematics
Solve the problem. Round to the nearest hundredth if necessary.If a square field is 76 meters on each side, how far is it from one corner to the opposite corner?
A. 107.48 m B. 5776.24 m C. 152 m D. 76 m
Mathematics
Find the volume generated by revolving about the x-axis the regions bounded by the following graphs.
y = 2?5 ? x, x = 0, x = 5
Mathematics