X^2-8x+5=0 solve by completing the square.

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 multiplicative rate of change of the exponential function shown on the graph?

17 in long 1.3 ft wide and 8in high what is the volume