Astudent buys a special pass for $20 to ride any ride at the carnival for the day .the student is at the carnival for h hours which expression can be used to find the cost of the special pass per hour? (a.20 times h)(b.20-h)(c.20 divided by h)(d.20+h)

Me n o w. i need t h i s. 10 points

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

Which of the following can be used to explain a statement in a geometric proof?