Answer:
The sum of the measures of the interior angles of an octagon =(8−2)180° . The sum of the measures of the interior angles of an octagon is 1080° .
<u>b = 1/6 r w</u>
Multiply each side by 6 : 6b = r w
Divide each side by 'w' : <em>6b / w = r
</em>
F(x) =-3x -18 + 9
-2x - 9
it's the first one
Answer is D. 21 x 7 x 13
<span>commutative property: </span>changing order of the numbers
10I^2/3
This is the answer
