On average, Shawnee drinks 1/2 of a 6-ounce glass of water in 2/3 hour. How much water does she drink in a hour

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

If you answer 2+2 you will get over 80 points

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is: