I need help with this

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

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?

Find the measure of the angle indicated in bold