Suppose that a class contains 15 boys and 30 girls, and that 10 students are to be selected at random for a special assignment. find the probability that exactly 3 boys will be selected.

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.