Joe's sells 5 pizzas for every 7 pizzas that sam sells. If Sam sold 42 pizzas how many did joe sell? use a tape diagram to model it.

Which of the following of the following sets of side lengths could not form a triangle?

The table shows the age and finish time of ten runners in a half marathon. identify the outlier in this data set. drag into the table the ordered pair of the outlier and a reason why that point is an outlier.

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?