All of the following have the same value except . 9 + (-6)
6 - 9
9 - 6
-6 - (-9)

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°

If you could answer these your a life saver