Answer:
The answer of the first on is 15 b because to find the perimeter of 2d shapes we have to add all the sides given ex: 5+5+5=15 so the answer of first question if 15.
Step-by-step explanation:
Answer:

mathematicallly error sentence!
Answer:
(0,12)
Step-by-step explanation:
Plug 0 into y
The answer is 24.5
Hope this helps :)
Answer:
a
n
=
2
2
n
−
1
Step-by-step explanation:
hope this helps