Solve the problem.A satellite dish is shaped like a parabola. The signals that are received by the dish strike the surface of the dish and are reflected to a single point, where the receiver of the dish is located. If the dish is 8 feet across at its opening and 1.3 feet deep at its center, at what position should the receiver be placed?
A. 4 feet from the base along the axis of symmetry
B. 3 feet from the base along the axis of symmetry
C. 5.3 feet from the base along the axis of symmetry
D. 0.6 feet from the base along the axis of symmetry
Answer: B
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?Find the number of faces of a pyramid with an n-dimensional base.
A. ?n + 2 B. ?n + 1 C. ?n D. ?n2 E. ?2n
Solve the problem, if possible. Round your answer to the nearest tenth, when appropriate.A parking lot measures 
by 
. A sidewalk of uniform width is to completely surround the lot. If the sidewalk can cover 
, how wide will the sidewalk be?
A. 2 ft B. 3 ft C. 1.5 ft D. 2.5 ft
Graph the equation by plotting points.y = x3 
A. 
B. 
C. 
D. 
Simplify the radical. Indicate if the radical is not a real number. Assume that x represents a positive real number.
A. 
B. 
C. 
D. 