Pam and Erin start at the same point and begin rollerblading in different directions. Pam is rollerblading west at a speed of 2 miles per hour. Erin is rollerblading north at a speed of 4 miles per hour.
After how many hours will they be exactly 14 miles apart? Round your answer to two decimal places.
Provide your

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.