Simplify the algebraic expression:

a + 2b + a + b - 2a

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

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. match each division expression with the correct quotient.