In three math tests, you have scored 91,95 and 88 points. you are about to take your next test. suppose you want to have an average score of at least 90 points after all four tests. explain a method you could use to find the score you must receive in order to average at least 90 points. the find the least score.

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.