5. If your friend's doctor wants her target heart rate range to be between 143 and 170, and her average resting heart rate is 62, what is her age? How did you backtrack through these equations
to find her age?
Fast please

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.