Find the perimeter of a square with sides of 6x+5

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.

Use order of operations to solve. (24 divided 3) + 3.5 + 3 power of 3

Which statement describes the slope of the line?