In the figure below, AB is a diameter of circle P.
What is the arc measure of ABC in degrees?
P
69°

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.)

If $740 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 7 years? use the continuous compound interest formula a = pert.

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table