Remaining "How Did I Do?" Uses: 1/3 Use the matrices below to perform the indicated operation if possible. 9 6 0 9 B = C 5 8 If the operation is undefined, enter NA. Hint: To create a matrix in Mobius, click on the icon :: that has three rows of three dots - it's next to the infinity symbol. Specify the appropriate number of rows (horizontal) and columns (vertical)