Step-by-step explanation:
AaaaaaaaaazsaAaaaaaaaaaaaa
A matrix is diagonal if

In other words, you want non-zero elements only when the indices of the row and the column are the same: the first element of the first row must be non zero, the second element of the second row must be non-zero, and so on. All other elements must be zero.
The answer is 3 divided by 1/2
Answer:
7.7 repeated
Step-by-step explanation:
3 1/3 * 2 1/3 = 7.7 repeated
Answer:
I'm only going to find the value of each variable
Step-by-step explanation:
V,Z,W,Y=39
X=94
Sorry, I didn't know how to explain the relevant angle relationships. '-' :(