Based on daily measurements, bob's weight has a mean of 200 pounds with a standard deviation of 16 pounds, while mary's weight has a mean of 125 pounds with a standard deviation of 15 pounds. who has the smaller relative variation?

Carla is saving money for a trip this summer. she already has some money in her savings account and will add the same amount to her account each week. at the end of 2? weeks, carla has? $130. at the end of 8? weeks, she has? $280. write a linear function in the form y=mx+b to represent the amount of money m that carla has saved after w weeks.