What is the average rate of change from x=0 to X=4

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.)

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show