The number of years that Brad has been on the soccer team is 2 less than 5 times the number of years Scott has. In total, the boys have been on the soccer team for 10 years. How long has Brad been on the soccer team?

Mary works for a company that ships packages and must measure the size of each box that needs to be shipped. mary measures a box and finds the length is 7 inches, the width is 14 inches, and the height is 15 inches. what is the volume of the box? [type your answer as a number.]

How do i do this? i don’t understand

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?