This is applied Pythagorean Theorem. Due tonight at 11 please help! *no links please*

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?

What is the value of x enter your answer in the box (3x+50

Manuela solved the equation below. what is the solution to manuela’s equation?