What is the domain of the relation?

Which equation represents a circle with a center at (–3, –5) and a radius of 6 units? (x – 3)2 + (y – 5)2 = 6 (x – 3)2 + (y – 5)2 = 36 (x + 3)2 + (y + 5)2 = 6 (x + 3)2 + (y + 5)2 = 36

Use the distance formula to find the distance between (-3,5) and (3,1)

You work in a hospital that has 9 floors. you need to see 3 patients on each floor. how many patients do you need to see in all?