Solve and graph. Write the result in interval notation.2x ? 12

A. (6, ?)

B. (-?, 6)

C. [6, ?)

D. (-?, 6]


Answer: D

Mathematics

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Factor completely. If the polynomial is prime, state so.121 - w2

A. (11 + w)2 B. (11 - w)2 C. (11 - w)(11 + w) D. prime

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Find the inverse of the matrix, if possible.A = 

A.

B.

C.

D.

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Simplify. Assume that no radicands were formed by raising negative quantities to even powers.3 + 9

A. 12
B. 84
C. 27
D. 12

Mathematics

Let v and w be two vectors in the plane with given magnitudes. The angle between v and w is ?. Find the expression. Round the answer to the nearest tenth. = 12,  = 9, ? = 48°Find 

A. 27.5 B. 13.4 C. -259.1 D. 21.6

Mathematics