Sigh! There should really be some quality control on Cody, to save us from stupid problems like this...
The third element of aVec in the the image contained within your problem description does not match the third element of aVec used in the test suite.
Omit columns averages from a matrix
Back to basics 9 - Indexed References
Solving Quadratic Equations (Version 1)
Find the area of a triangle
03 - Matrix Variables 6
07 - Common functions and indexing 5
03 - Matrix Variables 1
02 - Vector Variables 1
01 - Scalar variables
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