3.2 ; to get this answer you do 3.4(-2) = -6.8 then you add ten -6.8 + 10 = 3.2
Answer:
Look below.
Step-by-step explanation:

Use a calculator.
Answer: 80 and 6x
Step-by-step explanation:
10 x 8 = 80
2x times 3x = 6x
Answer:
<h2>135 degrees</h2>
<h2>To find the measure of the angles, we know that the sum of all the angles is 1080 degrees (from above)... And there are eight angles... So, the measure of the interior angle of a regular octagon is 135 degrees.</h2>