W=A/7 Solve for A, please and thank you I have a test

Find the slope of the line passing through a pair of points

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.

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges