If you know the diameter of a circle, which statement describes how to find the area?

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

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made

9/10 divide by -3/15 as a mixed number