Write the equation of the line that is the perpendicular bisector of the segment with endpoints (4, 1) and (2, 5)

Plzzzzzzzzzzzzzzzzzzzzzzzzz will give brainliest

What is the volume of a cone with a height of 6 cm in the radius of 2 cm

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.