Can someone explain to me what to do and what is the correct answer please? I would really like to know what to do, thank u in advance if u help me!<3

Find the area of the triangle shown 3 by 6

What is the average diastolic blood pressure for adults

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?