Solve the system if equations by substitution
y=3x-13
3x+2y=19

An angle that measures between 90 and 180° is called a(,

What is another way to express 36 +32

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