How is 676543789 written in word form

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

Suppose that prices of a gallon of milk at various stores in one town have a mean of $3.71 with a standard deviation of $0.10. using chebyshev's theorem, what is the minimum percentage of stores that sell a gallon of milk for between $3.41 and $4.01? round your answer to one decimal place.