Answer:
A
Step-by-step explanation:
One easy way to determine if a coordinate is a function or not is to look at the number in the x's place only. There should not be the same number on the x's side for a different pair.
Every pair has a different number on the x's side, which is why A is the only possible answer.
Answer:
630 people
Step-by-step explanation:
Ratios:

Answer:
The one you already have selected along with
428
Step-by-step explanation:
anything to the 0 power is itself
Answer: yes.
Step-by-step explanation: i dont really get this one so i just said yes