find the perimeter of a quadrillateral with the following sides- AB=7cm, BC=5cm, CD=7.3 cm and DA=8cm​

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.

How do you find principle and simple interest

Angle that produces maximum distance