If emma spent $14.00 on jewerly and recieved $6.00 in change how much money did she spent . what equation could be used to find how much money she gave the cashier

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