Solve the problem.A radio telescope has a parabolic surface. If it is 2 m deep and 
wide, how far is the focus from the vertex?A = 16 mB = 2 m
A. 4 m
B. 2 m
C. 32 m
D. 8 m
Answer: D
Mathematics
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Evaluate the integral.
A. 
B. 
C. 
D. 
Mathematics
Solve. Round to the nearest tenth.Scott set up a volleyball net in his backyard. One of the poles, which forms a right angle with the ground, is 6 feet high. To secure the pole, he attached a rope from the top of the pole to a stake 4 feet from the bottom of the pole. To the nearest tenth of a foot, find the length of the rope.
A. 52 ft. B. 4.5 ft. C. 7.2 ft. D. 3.2 ft.
Mathematics
Find the nth, or general, term.7, 
, 
, . . .
A. 7 - 
(n - 1)
B. 7 + 
(n - 1)
C. 7n-1 - 
D. 7
n-1
Mathematics
Find the slope and the y-intercept from the equation of the line. Sketch a graph of the equation.x + y = 5
A. m = -1; y-intercept = -5
B. m = 1; y-intercept = 5
C. m = 1; y-intercept = -5
D. m = -1; y-intercept = 5
Mathematics