Find an equation for the perpendicular bisector of the line segment whose endpoints are (-5, -3) and (7, - 7).

Can someone me out here and the tell me the greatest common factor

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

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.