Find the missing length indicated.

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

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?

Which of the following represents the length of a diagonal of this trapezoid?