Chip drank a cup of coffee with 140 milligrams of caffeine. If the caffeine is eliminated from his
body at a rate of 9.5% per hour, how much
caffeine will be in his body from this cup of
coffee 6 hours from now?

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

Which function has the domain x> -11

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)