How many points need to be removed from this graph so that it will be a function?
4
1 point
2 points
3 points
O 4 points
-4 -3
-1

What kinds of numbers have an odd number of factors?

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.

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?