Iwrote the problem wrong earlier. : /here it goes! (5b - 9) - 3(8 - 2b)and could you give me tips on solving these kind of problems? .-math disaster

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

Due to a packaging error, 4 cans labeled diet soda were accidentally filled with regular soda and placed in a 12 pack carton of diet soda. two cans were randomly selected from this 12 pack. what is the probability that both cans were regular soda?

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.