Anyone free to with this? mildred lost bought two (2) radial tires at $49.95 each and two (2) seat cushions at $16.99 each. the sales tax where she lives is 6 percent. what was the total amount of the purchase?

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.