Members of a youth group held a bake sale to raise money for a summer trip. they sold 30 cakes, 40 pies, and 200 giant cookies and raised $684.50. a pie costs $2 less than a cake and a cake costs 5 times more than a giant cookie. write a system of 3 linear equations and find the cost of each item.

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол