15. Find the sum. https://tcan4424-oakcliff-ccl.gradpoint.com/Resour...

16. What is the value of a_{22}? https://tcan4424-oakcliff-ccl.gradpoint.com/Resour...

17. Which of the answer choices has matrix multiplication defined? A B C D

[1 [1 2 7 [5 9 7] [-1 2 3

3 6 8 0] 8 -4 0

5] 6 7 1]

8. Find 2D+A. https://tcan4424-oakcliff-ccl.gradpoint.com/Resour...

ok :)

# 17 cause i know i made it look confusing.

AD and AC

Yes, I was really confused:)

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