Soon after taking an aspirin, a patient has absorbed 320 mg of the drug. after 2 hours, only 80 mg remain. find an exponential model for the amount of aspirin in the bloodstream after t hours.

What is the most accurate measurement of 1 pound

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?