HEELP

Of four points are collinear, they are also coplanar

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 of the following circles have their centers in the third quadrant? check all that apply.