Apublisher reports that it sold 2,419,368 children's magazines. what is the value of the digit 2 in 2,419,368

What are the relative frequencies to the nearest hundredth of the columns of the two-way table? a b group 1 102 34 group 2 18 14

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?