Half of a class took Form A of a test, and half took Form B. Of the students who took Form B, 39% passed. What is the probability that a randomly chosen student took Form B and did not pass?

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.