Factor the binomial completely.9x2 - 49

A. (3x + 7)(3x - 7)
B. (3x + 7)2
C. (3x - 7)2
D. prime

Answer: A

Mathematics

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Find the integral.  

A.  + 2ex + C
B.  + 2xex - 1 + C
C. 2 ln  + 2ex + C
D. 2 ln  + 2xex - 1 + C

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The equation of a hyperbola is given. Match the equation with its graph.64x2 - 25y2 = 1600

A.

B.

C.

D.

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Find the number of diagonals of a dodecagon (12 sides). (A line segment connecting any two nonadjacent vertices is called a diagonal of the polygon.)

A. 24 B. 12 C. 144 D. 132 E. 54

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Solve. = 

A. -14, 12 B. -6, 4 C. 4, 6 D. 14, 12

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Mathematics