15. Macy doesn't have any money in her bank account, but begins saving $ 15 each week. Robby has $20 in
his bank account and saves $ 10 each week. After
how many weeks will Macy and Robby have the same
amount in their accounts? Use the graph to solve.

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

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.

Atransformation t : (x, y) (x-5,y +3) the image of a(2,-1) is