A biologist study the graph of two different trees over five year period. At the beginning of the study she measured each trees diameter. The biologist took the same measurement eatyou to determine the growth. The red maple in her study had a starting diameter of 4 inches. The diameter girl at an average rate of 0.3 inches per year. The graph on the right shows the growth rate of the silver maple. Which function has a greater rate of change?

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?