Can you solve this please ​

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

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.