Answer:
Step-by-step explanation:
The standard form of a circle is
where h and k are the center of the circle and r is the radius. Filling in:

Answer: the answ4r to this math problem is 46.5
Step-by-step explanation:
So listen to your teacher next time
Step-by-step explanation:
4p^2 - 48p + 128
use calculator
Answer:
It's a valid sample because the first five people were selected to participate.
Step-by-step explanation:
True because random people who saw the advertisement responded. By chance, not every person who saw the advertisement answered, therefore it was random, but it would be more random if he decided to reject the second, fourth, sixth, and eighth person, and only the first, third, fifth, seventh, and ninth were chosen.