PLEASE HELP WILL MARK BRAINLIEST

Step-by-step explanation:

Sum:

Mean:

Numbers in ascending order:

Median:

Sum:

Mean:

Numbers in ascending order:

Median:

Company B has a greater median which indicates more stable and consistent performance. It have very close mean and median, which tells us about stability.

Company A has greater difference between mean and median, which indicates inconsistent performance. Having a greater mean doesn't confirm a better performance.

incomplete question. how do you expect anyone to you when you do not post the question in its entirety?

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,