What's -18÷(1-4+-2-4) explain pls need help​

Which is the graph of the function y=2(4)^x

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.

Can you me find the slope! (30 points)