Greg bikes 9 miles and swims 4 miles each week. he multiplied 5x10 to find how many more miles he bikes then swam in the last 10 weeks. does that make sense why or why not

W-16=-12 solve each one step equation plz

In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.

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.