Find the radical equivelant of 23^(2/3) and compute it

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.)

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Find the area of the shaded region.