PLS HELP I don’t understand

Simply 8x squared + 5(7x squared- x) - 2x =

What does the relationship between the mean and median reveal about the shape of the data

Plz a. s. a. p.the table shows the number of male and female contestants who did not win a prize. what is the probability that a randomly selected contestant won a prize, given that the contestant was female? write the probability as a percent. round to the neares tenth, if needed.