Add or subtract by first simplifying each radical (if needed) and then combining any like radical terms.6 - 11 + 2 

A. -7
B. -3 
C. 3
D. 7


Answer: B

Mathematics

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A. 1785 B. 1440 C. 1180 D. 1225

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Solve the problem.For what value of a is the volume of the tetrahedron formed by the coordinate planes and the plane  equal to 9?

A. a = 
B. a = 
C. a = 
D. a = 9

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Find the function value.Find f(2) if f(x) = 4x2 - 5x - 2.

A. 24 B. 8 C. -8 D. 4

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Find the real solutions, if any, of the equation. Use the quadratic formula.2x2 + 4x - 6 = 0

A.
B.
C.
D.

Mathematics