1) what is the approximate solution to the system of equations below? equations: 5y-2x=5 2y+x=-4 a. (-11, -15) b. (0, 1) c. (-2, 0) d. (0, -2) 2) how many solutions does this system of equations have? equations: y= -3x+7 y= -3x-6 a. infinitely many b. 2 c. 1 d. 0

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.