At the ice skating competition, Vonda finished with a total of 44 points. Melinda finished with 0.2 fewer points than Vonda, and Davina finished with 1.68 fewer points than Melinda. How many points did Davina have? Help me!!!

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 can you tell when x and y are not directly proportional?

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?