The expression abc means a number, which contains a hundreds, b tens and c units. this number can be represented by a polynomial abc =100a+10b+c. write the numbers as polynomials:

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

Atotal of 766 tickets were sold for the school play. they were either adult tickets or student tickets. there were 66 more student tickets sold than adult tickets. how many adult tickets were sold?

Which diagram shows lines that must be parallel lines cut by transversal?