With this
the perimeter of a square is directly proportional to the length of one of its sides. the perimeter is 28 when the length of a side is 7.

what is the constant of proportionality?

What is the base of 1/9 to the power of 2

What are different types of statistical programs

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.