*click image*
Tysm if you help out with the answer and show work! I’m really confused so I really appreciate you!

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line

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.

For what value of (y) is 3^3/3^y =1/9