Descobri how to use a tens fact to find the difference for 15-8

What is an alternate exterior angle

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 number line correctly shows 0.8 + 0.3?