Tracy bought 3 tickets for a day tour trip to a city. the price of each ticket was the same. after she bought the tickets, her account balance showed a change of −$95.31. what would have been the change to tracy's account balance had she bought only 1 ticket for the day tour trip?

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?

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.