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
Mathematics
Find the inverse of the matrix, if possible.A = 
A. 
B. 
C. 
D. 
Mathematics
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