Factor the trinomial, if possible.49m2 + 70m + 25

A. (7m - 5)2
B. (7m - 6)2
C. (7m + 5)2
D. (7m + 5)(7m - 5)


Answer: C

Mathematics

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Fill in the blank(s) with the appropriate word(s).

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Assume x and y are functions of t. Evaluate dy/dt.xy + x = 12;   = -3, x = 2, y = 5

A. 9 B. 3 C. -9 D. -3

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Find the center of the ellipse. +  = 1

A. (0, 8) B. (10, 0) C. (10, 8) D. (0, 0)

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4cos2 t = 1

Find all values of t that satisfy the equation

Mathematics