Someone tell me what this is and tell me the answer

Name these type of angles shown check all that applies

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.

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)