The histogram gives information about the ages of 115 members of a social club

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.

For which pair of functions is (gof)(a)=|a|-2?

X2 + y 2 = 36 x + y = 6 solve the system of equations.