30 POINTS!!

Prompt- A metal shop is cutting a rectangular piece of sheet metal with the weather of 60 inches and the length of 144 inches the shaded parts of the diagram represent two rectangular sections A and B that will be cut and removed.

Question- what will be the area in square inches of the piece of sheet metal after both sections are cut and removed?

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?