What is the probability of drawing two yellow marbles if the firat one is not placed back into the bag before the second draw

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x

Suppose the equation ||x-a|-b|=2008 has 3 distinct real roots and a not =0. find the value of b.