Please help me find the circumference and area ​

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.

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air

Which is the best estimate of the product of 0.9 x 0.88? 0 0.25 0.5 1