Solve the problem.A reflecting telescope has a mirror shaped like a paraboloid of revolution. If the distance of the vertex to the focus is 26 feet and the distance across the top of the mirror is 62 inches, how deep is the mirror in the center?
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Answer: C
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Let A and B be sets with cardinal numbers, n(A) = a and n(B) = b, respectively. Decide whether the statement is true or false.If B ? A, n(B) = n(A) - n(A - B).
A. True B. False
Use the trapezoidal rule to approximate the value of the integral defined by the given set of points.
A. 1.52 B. 1.47 C. 1.65 D. 2.13
Provide an appropriate response. Explain the difference between raising a negative base to a positive power and raising a positive base to a negative power. Include information on even- and odd-numbered powers.
What will be an ideal response?
Solve the problem.The perimeter of a rectangle is 46 cm. The length is 11 cm longer than the width. Find the dimensions.
A. Width: 6 cm; length: 11 cm B. Width: 10 cm; length: 21 cm C. Width: 12 cm; length: 23 cm D. Width: 6 cm; length: 17 cm