Is the scientific notation correct or no. please answer this is important

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

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.

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation