Lily has been training for a marathon for several weeks. when she began her training, she could run a mile in 12 minutes. after 2 weeks of training, she could run a mile in 10 minutes. after 6 weeks of training, she could run a mile in 8 minutes. in this example, a(n) exists between the number of weeks of training and the time to run a mile.

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

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?