A hiker is descending down a mountain 6,150 feet. It takes the hiker 3 hours to make this descent. How fast is the hiker going in feet per hour ​

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2

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?