Help me Please on these Writing Proportions.

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

What is the relationship between all triangles that can be drawn given the same three angles

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.