Write an appropriate direct variation equation if y = 27 when x = 9

100 points, hi, i’m not sure how to get the equation from the graph and table.

Find two numbers if their sum is 91 and the ratio is 6: 7?

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.