Evaluate the expression for the given value or values.  for a = 7

A.
B.
C.
D.


Answer: A

Mathematics

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Give a geometric description of the set of points whose coordinates satisfy the given conditions.x2 + y2 + z2 = 49, z = 2

A. All points on the sphere x2 + y2 + z2 = 49 and above the plane z = 2 B. All points within the sphere x2 + y2 + z2 = 49 and above the plane z = 2 C. The sphere x2 + y2 + z2 = 4 D. The circle x2 + y2 = 45 in the plane z = 2

Mathematics

Write the Roman numeral as a Hindu-Arabic numeral.XIII

A. 103 B. 30 C. 53 D. 13

Mathematics

Provide an appropriate response.At or before a real estate closing, which of the following may be included:

A. mortgage closing costs B. good faith estimate C. points D. all of these may be required before or during closing

Mathematics

Find the equation of the parabola with vertex at  and which passes through  and 

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?

A. ?
B. ?
C. ?
D. ?
E.

Mathematics