What is the center of a circle represented by the equation (x-5)^2+(y+6)^2=4^2

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

What is the surface area of the sphere?

Thirteen bowlers were asked what their score was on their last game. the scores are shown below 190,150,154,194,181,190,170,151,170 ,178,161,180 find the range of the bowlers score a.56 b.44 c.34 d.23