Answer:
2/3
Step-by-step explanation:
The √4 is 2
and the √9 is 3
therefore the final answer wil be 2/3
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.
Interest equals principle (the amount that you had to begin with) times the rate (the rate if interest) times the time (usually in years)
Looks like you got it right :) Each package contains 8 chocolates, so to find 8 containers, just multiply by 8 to get 64, which would be H.