Marlon is standing 2 feet to the left of Sara. Dave is standing 6 feet to the right of Sara. Nicole is standing 4 feet to the left of Dave. How far is Nicole from Dave

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.