Which description is paired with its correct expression? -seven less than the quotient of two and a number squared, increased by six; -nine times the difference of a number cubed and three; -eight more than the quotient of a number squared and four, decreased by seven; -twice the difference of a number cubed and eight;

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.