You lose five points for every wrong answer in a trivia game what integer represents the change in your points after answering eight questions wrong

Which expression is equivalent to -5(3x - 6/7)

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?

What is the rate for one gallon of gasoline