Find the area of a quarter circle With a radius of 20in. Use 3.14 And round the answer to the nearest hundred

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?

Ahyperbola centered at the origin has a vertex at (-6,0) and a focus at (10,0)

Awoman won a 4000-m race with a time of 12.089 min. what was her rate?