a man rode a snowmobile at the rate of 20 mph and then skied cross country at the rate of 2 mph. during the 7-hour trip, he traveled 59 miles. how long did he snowmobile, and how long did he ski?
snowmobile

Consider the function y = f(x)=3^x the values of f(1/2) and f(1/4). rounded to the nearest hundredth, are__and__ respectively

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

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?