Find the degree measure of an arc if its length is and its circle has a radius of 10 ft. Then find the area of its sector.

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.)

Of four points are collinear, they are also coplanar

15/16 as a decimal rounded to the nearest hundredth