Amazon Prime has movies on sale. If yoi just paid $5 for a movie that originally cost $12, what was the percent discount?

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.)

Simplify 6sin θsec θ. choices a) 6 tan θ b) 6 cos θ c) 6 cot θ d) 6

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply