You spin the spinner shown below once. Each sector shown has an equal area. What is P(not shaded sector)?
If necessary, round your answer to 2 decimal places.

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.)

The angle of elevation from point a to the top of a cliff is 38 degrees . if point a is 80 feet from the base of the cliff , how high is the cliff ?

The product of (7x-2) and (20-3x)/4. when x=4