Answer:
the third one
Step-by-step explanation:
We can break it up into
. This means that it is
, or 
Answer:
6s + 9
Step-by-step explanation:
Perimeter is when you add all the sides together.
2s + 4 + 4s + 2 + 3
Combine like terms
6s + 9
Answer:
x = 3/5
Step-by-step explanation:
15x+3(5x-3) = 9
15x+15x-9 =9
30x-9 = 9
30x-9+9 = 9+9
30x = 18
x = 18/30
x = 3/5