Pls help me with this question

Find the slope of the line y =8/9x + 1.

Name these type of angles shown check all that applies

Acarnival sold tickets for $1.50 for adults and $1.00 for students. there were 54 tickets sold for a total of $70.50. write a system of equations to represent the number of adult tickets,x, and the number of student tickets,y. find the solution and explain what it means. i'll you if you me