Answer: P=28 meters
Step-by-step explanation:
× a ⇒ a is the side length
× 

Answer:
Because it is terminating.
Step-by-step explanation:
0.71875 is rational because it is terminating (has a clear end). If it were a bunch of random numbers that never ended, then it would be irrational.
Answer:
I would say c and b
Step-by-step explanation:
I would say this because with out the number it would be that same thing and the same eqaution and formation
Answer:
20
Step-by-step explanation:
The ratio is 3:5, so 3x4 equals 12, then 5x4=20.