3t+1
The t stands for tent, and is being multiplied by 3 because there is always going to be 1 tent for every 3 campers. Plus one, for the camp leader.
Answer:
None
Step-by-step explanation:
None of these, but
so if 64 is an option than that's the correct option

It has to be (8, 9) because that would put the 4th corner above (8, 7) and right of (2, 9).
Answer:
So, 
Step-by-step explanation:

To evaluete this expression we apply exponential property

IF any expression has exponent 0 then the value is 1 always
for example, 

because exponent is 0
So, 