Look at image reflection across the x-axis

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

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.

Which of the following contains a variable?