Help I need this done by today at 3pm :(

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 the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Given the graphed function below which of the following orders pairs are found on the inverse function