Find the perimeter of the figure below. Notice that one side length is not given. Assume that all intersecting sides meet at right angles. Be sure to include the correct unit in your answer. ​

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

What is the remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63

The graph shows the distance kerri drives on a trip. what is kerri's speed?