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Question

[ 3 8 ] [ 4 5 ]
6 3 4 4

Answer 1

Review the definition of matrix multiplication.

See if you can come up with the answer shown at

http://www.wolframalpha.com/input/?i=%7B%7B3,8%7D,%7B6,3%7D%7D*%7B%7B4,5%7D,%7B4,4%7D%7D