Simplify the expression.

A.
B.
C. a + 5
D. a - 5

Answer: C

Mathematics

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Find the product.(3x + 2y)2

A. 3x2 + 4y2 B. 9x2 + 4y2 C. 9x2 + 12xy + 4y2 D. 3x2 + 12xy + 4y2

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Solve.The weight of a liquid varies directly as its volume V. If the weight of the liquid in a cubical container  on a side is 81 g, find the weight of the liquid in a cubical container 4 cm on a side.

A. 192 g B. 12 g C. 52 g D. 64 g

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For the functions f and g, find the requested value.Evaluate (g ? f)(-2).y = f(x)y = g(x)?

A. 1 B. 2 C. -2 D. -0.5

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Find a general term an for the geometric sequence.a1 = - , r = -2

A. an = -  + (n - 1)
B. an = -  ? (-2)n-1
C. an = n-1 + 
D. an = -  - (n - 1)

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Mathematics