Which expression is equivalent to -1.3 + (-4.9) + (-2.6)? A. (1.3+4.9+2.6)
B. -(1.3-4.9)+(-2.6)
C. -1.3+(4.9+2.6)
D. -1.3-(4.9+2.6)

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.