The following coordinates are the vertices of a triangle. If not an integer, answer the question below in radical form or as a decimal rounded to at least two decimal places. C(3,9) K(-7,1) M(-5, -4) What is the length of CK?

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.