Thank you!

Yep! YOU are correct! But thanks to everyone else that helped!

Yep, 2.5 is right.

Thanks so much!

The area is 144, not the perimeter! Please help me more!

1.

10−1

=

9

3(5−4)

(3)(1)

3

=3

2.

5(3−2)x2−2

=5x2+−2

??? Is this a insult? I accidently reposted on my post, not Chris'.

Because 8 was wrong. Apperently you could add neighbouring angles so the answer was 12.

Oops Sorry. That was a typo. I ment to say "Why is the answer not 8?" I originally said 8 but it said I was wrong...

Thanks! I was a bti confused about the \(\bowtie\) sign.

Correct!