Your jewelry business orders $405 in supplies. You can usually sell an earring/ring set for about $45 each. How many sets do you need to sell each month to break even?how much money could be made if you sold 17 sets?

Can someone check my answer? you : )

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.

What is the measure of angle tvu shown in the diagram below