Answer:

Step-by-step explanation:
Formula for the perimeter of a rectangle: 
Answer:
Step-by-step explanation:
cant tell what goes with which chart....but I can do this,..
negative 4 over 5 .......rational
sqrt 2....irrational
2.5.....rational
0.4 bar.....irrational
sqrt 16....rational
I don’t really know, but it could be b or c. If none then just pick a question :D