I had this homework and i just wanted to make sure of my answers

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

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?