Which of the following is a factor in the general formula for factoring the difference of cubes? a. (a^2-ab-b^2)
b. (a^2-ab+b^2)
c. (a^2+ab-b^2)
d. (a^2+ab+b^2)

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.