Lisa bought six dog toys. each dog toy costs the same amount. she spent a total of $10.50. write an expression that represents the situation. use d to represent the cost of each dog toy.

Abcd is a parallelogram. the diagram is not drawn to scale. if m

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.

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?