X less than 42 is 15

Which equation represents this scenario?

Find the area of the triangle shown 3 by 6

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

Which function has the domain x> -11