The diameter of a cylindrical water tank is 10 ft, and its height is 9 ft. What is the volume of the tank? Use the value 3.14 for a, and round your answer to the nearest whole number.
Be sure to include the correct unit in your answer.
10 ft
9 ft

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?

Someone me! if you’re smart you can solve this!

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.