We’re supposed to help you with questions. Not do every question on your math homework.
22, i think because 3 times 3= 9, and 9 times 3 minus 5= 22
Given:
The matrix equation is:

To find:
The value of matrix C.
Solution:
Let
. Then the given equation can be rewritten as




On substituting the values of the matrices, we get




Therefore, the correct option is C.
diagonal is sqrt of (s^2 x 2)
8^2 = 64
64*2 = 128
sqrt(128) = 11.3137
round answer as needed