Mr. Potter's class will take a test for 1 hours. They need to finish by half past 11 to get to lunch on time. What is the latest time the class can start the test to get to lunch on time?

Pls i’m dumb as heck i’ll give y’all so many points if that encourages you

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.)

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 .is he correct? explain why or why not