Help me please ASAP Please please

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32

Aright cylinder has a diameter of 8 m and a height of 6m. what is the volume of the cylinder