Answer math questions correctly for brainy

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

Solve the equation.then check your solution 8=1.88+a

Which shows one way to determine the facts of x3+4x2+5x+20 by grouping