Answer:
yes
Step-by-step explanation:
7. the formula for octagon is a=2(1+radical2)s^2
s=4
a=about 77.25
8.
Answer:
$0.5
Step-by-step explanation:
3/6 = 0.5
5/6 because she already picked a blue tile. it makes the grey tile to be picked.
Answer:

Step-by-step explanation:
So lets get the denominators the same:

=
=
Hoped I helped, have a nice day!
And please help: brainly.com/question/22129776