The formula f = 5280m can be used to convert a measurement of f feet to an equivalent measurement of m miles. if an airplane flies at 35,300 miles above the ground, how much is that in feet?

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2