Reggie lost 3 spaceships in level 3 of a video game. he list 30 points for each spaceship. when he completed level 3, he earned a bound of 200 points. by how much did his score change?

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.