Pleaseee helppp me on this

In the triangles, bc =de and ac fe.if the mzc is greater than the mze, then ab isdfelth

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?

Iam at home. /: i am playing video games. translate the following statement into symbolic form.