Acertain medication is eliminated from the bloodstream at a rate of about 12% per hour. the medication reaches a peak level in the bloodstream of 40 milligrams. predict the amount, to the nearest tenth of a milligram, of the medication remaining 2 hours after the peak level and 3 hours after the peak level.

The total number of photos on hannah’s camera is a linear function of how long she was in rome. she already had 44 photos on her camera when she arrived. then she took 24 photos each day for 6 days. what is the rate of change of the linear function that represents this

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.