Give the degree measure of ?.? = sin-1 
A. 135°
B. 60°
C. 120°
D. 45°
Answer: D
Mathematics
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Find the area of the surface generated by revolving the curve about the indicated axis. x = y3/14, 0 ? y ? 4; y-axis
A. 4528?
B. 
?
C. 
?
D. 
?
Mathematics
Solve the problem.The number of edges in a tree with 49 vertices is
A. 249. B. 48. C. 49. D. 50. E. none of these
Mathematics
Write a fraction to represent the shaded portion of the figure.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A rock falls from a tower that is 480 feet high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground 
Round to the nearest tenth, if necessary.
A. 21.9 sec B. 21.5 sec C. 14,400 sec D. 5.5 sec
Mathematics