Picture can someone me i don't know how to do this

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9

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?