Question 3 For any square matrix A for which A'exists, determine the following products where I is the
identity matrix with the same dimensions as A. Give your answers in terms of A, A-1or I.
(a)AI
(b) AA-1I
(c)A-1AI

What is (28 + 7 + 6 + 3) x 1/2 show your work

Ineed to know the answer to this algebra question.

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?