10) help me and show the work thanks

The length of time it takes to find a parking space at 9 a.m. follows a normal distribution with a mean of 5 minutes and a standard deviation of 2 minutes. find the probability that it takes at least 8 minutes to find a parking space. (round your answer to four decimal places.)

Tom is buying topsoil for the flower bed shown below. one bag of topsoil covers 15 square meters. how many bags of topsoil does tom need to cover his flower bed?

Which multiples do 3and 5 have in common? write all the common multiples of 3 and 5