I’m not sure how to go about solving this. Could somebody help?

With: label the vertices and all the elements needed. find x

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.

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer