Solve using elimination 3x-4y=9 and -3x+2y=9

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account

Mason and christian go to the movie theater and purchase refreshments for their friends. mason spends a total of $45.75 on 3 bags of popcorn and 6 drinks. christian spends a total of $71.50 on 6 bags of popcorn and 4 drinks. write a system of equations that can be used to find the price of one bag of popcorn and the price of one drink. using these equations, determine and state the price of a drink, to the nearest cent.

Proving the congruent supplements theorem