It’s a test any body can help??

(98 points) i need with 5 questions. answer definitions are welcomed, but not necessary.

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

What is the slope of the line passing through the points (-5, 7) and (-3,5)?