Answer:
None
Step-by-step explanation:
None of these, but 
so if 64 is an option than that's the correct option
Answer:
1,3,5
Step-by-step explanation:
81 is a perfect square so it can be written as an integer
11.8 is rational because it can be written as a fraction (107/9)
sqrt(6) isn't a perfect square so it is irrational
3/7 is a fraction so it is rational
8.57 is a terminating decimal so it is rational
Answer:
120
Step-by-step explanation:
A=LxH
So 15x8=120
