Can you guys please help me solve all of these please and thank you it would mean the world to me

Acircle has the equation (x-2)^2 +y^2 =5. what are the coordinates of the circle's center?

Mr switzer needs to buy new 1-foot tiles to cover his bathroom floor. the floor is 12 feet long and 8 feet wide. each square foot of tile will cost $1.79. in dollars what will be the total cost of the tiles he needs to buy.

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?