A Radioactive material has a half life of 18.4 days. How Much Time Is Needed For A 50 mg sample to decay to 12.5 mg?

If a body moves in a straight line according to the law s = 24t + 3t2 - t3, where s is the distance measured in meters from the origin and t is the time in seconds after it starts to move, calculate the body's velocity as a function of time.

Ellen has a bag with 3 red marbles and 2 blue marbles in it. she is going to randomly draw a marble from the bag 300 times, putting the marble back in the bag after each draw.

The sum of 12 times a number and 180 is opposite of 720. What is the number.

Paola is planning her summer vacation. She wants to buy maps and atlases to use in her planning. The maps cost $3.00 and the atlases cost $7.00 each. If she spends $43.00 what combination of maps and atlases can she buy?

How to find horizontal asymptotes with x as an exponent analytically?

Division and the distributive property 81: 3

Factor completely. tr-7r+tn-7n

Which operation is performed on the number 719.38 to get the number 0.71938?

Covert the percent to a fraction in the lowest terms 95%

Jared is in charge of production in a factory that makes light bulbs. the factory made 2,648 light bulbs over the weekend. jared wants to pull a sample of these bulbs for testing. which sample would give jared the most-accurate test results?