Coach drinks a grande size of starbucks brewed coffee every morning during his 7: 00 drive to school. according to the website energyfind. com, there are 330mg of caffeine in coachs coffee and 13% of the caffeine in our bodies is eliminated each hour. how much caffeine is in coachs system when football practice begins at 3: 30?

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance

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.

Qrst is a parallelogram. determine the measure of ∠q pls