Simplify the expression by combining like terms.5t + 7t

A. 12t2
B. t
C. -2t
D. 12t

Answer: D

Mathematics

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Identify the type of surface represented by the given equation. +  = 

A. Elliptical cone
B. Hyperbolic paraboloid
C.

Ellipsoid

D. Elliptical paraboloid

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Subtract.5.627 - 3.442

A. 2.185 B. 8.069 C. 2.285 D. 9.069

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Perform the indicated operations and simplify the result. Leave the answer in factored form.

A.
B.
C. x - 8
D. x + 8

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Translate the phrase into a mathematical expression and then evaluate it.Three cubed plus four

A. 33 - 4; 23 B. 33 + 4; 31 C. 32 + 4; 13 D. 32 - 4; 5

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Mathematics