Answer:
C -1
Step-by-step explanation:





Answer:
No
Step-by-step explanation:
pi is irrational. That was proven long ago. Unfortunately the proof is harder to understand than the proof that the square root of 2 is irrational, which is accessible to most high school students.
To prove that p is irrational you need to understand calculus, up through integration. Even then, the proof is rather intense and takes careful attention.
Multiply 9 and 5 then multiply by .5 giving you 22.5 so I’d say that’s your best option
Graph will look like this if this is one of the options