Given that value ABC similar DEC find the value of x

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 number line correctly shows 0.8 + 0.3?

Find the values of the variables and the lengths of the sides of this kite.