A sync has a volume of 40 liters if you fill it up with water at a consent of rate of 2.2 liters per minute which number is closest to the number of minutes it will take to fill the sink​

What is 20+(5 x 2/5 )+ 3 show your work

On a piece of paper graph f(x)=5•(0.4)^x

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible