H+20>2 pls help me I have to do this before tomorrow

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

If 3x+8=3x+8 is it one solution or no solution

Is there an x intercept in the equation 60*1.15^x