Question

Please help I'm getting behind and need to get this done. I give Medals

Answer 1

Here's the first one I need help with

Answer 2

really?

Answer 3

if the matrixes are the same dimensions, they simply add by like components ... and one of those components is 0. What is anything + 0 equal to?

Answer 4

Ok thanks what about this one

Answer 5

A scalar times a matrix is just every element in that matrix multiplied by that number. From there you can just do that to both matrices and add them up.