Find the circumference of the circle to the nearest tenth. Use 3.14 for p. The Radius is 17

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.)

Which graph corresponds to the function f(x) = x2 + 4x – 1?

Which expression will have the same sum as 3_8 + 1/4?