Jonny uses 1/5 of a jar of dressing on 4 servings of salad. he uses an equal amount of dressing on each serving. wright an equation that can be used to determine the fraction of the jar of dressing that he uses on each serving

If benito is selecting samples of five values from the table, which row will result in the greatest mean? row 1 row 2 row 3 row 4

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(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?