Find the median. If necessary, round to one decimal place.20, 27, 31, 54, 61, 70, 77

A. 54
B. 31
C. 49.1
D. 61

Answer: A

Mathematics

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Divide and simplify the answer:  ÷ .

A.
B.
C.
D.

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Mathematics

Graph the ellipse described.Center at (0, 0)Focus at (0, - ) Vertex at (0, 9)

A.

B.

C.

D.

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Mathematics

Use the graph to evaluate the expression.(f?g)(-1)

A. 0 B. -1 C. -2 D. 3

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Mathematics

Factor completely. If the polynomial cannot be factored, say it is prime.12x3 + 8x2y - 15xy2 - 10y3

A. (4x2 + 5y2)(3x - 2y) B. (12x2 - 5y2)(x + 2y) C. (4x2 - 5y)(3x + 2y) D. (4x2 - 5y2)(3x + 2y)

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Mathematics