Multiply.8a ? 9a2

A. 72a4
B. 17a3
C. 72a3
D. 8a + 9a2

Answer: C

Mathematics

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Determine if the given vectors are orthogonal, parallel, or neither.v = 4i + j, w = i - 4j

A. Neither B. Orthogonal C. Parallel

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Solve.x2 - xy + 3y2 = 23x - y = 5

A. (4, -1),  
B. (6, 1),  
C. (4, -1),  
D. (6, 1),  

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Calculate. Write answer in lowest terms. + 

A.
B.
C.
D.

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