The letters for the word SCHOOL are placed in a hat. What is the probability of drawing the letter O out of the hat?

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.)

Abcd is a parallelogram find the valuse of x

Measure of angles 31 (x+4) (3x+9) me