Please help me answer this :) and explain how you got your answer ! ( will give brainslt )

Use the numbers in the multiplication equation 45 x 1/9 =5 to write a division equation involving division by a fraction.

Which expression is equivalent to 4 square root 6 divided by 3 root 2

An airport in death valley is 60 feet below sea level, and an airplane is flying 2,000 feet above sea level. how many feet must the plane descend in order to land? a. 2060 b. 2000 feet c. 1940 feet d. 1880 feet e.1400 feet will mark as brainliest