Please help me with this question it is my first grade so I need to get it right on the answer if you’re positive you know

What are correct trigonometric ratios that could be used to determine the length of ln

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

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.