Which statement about the following equation is true?
2x2 – 9x + 2 = -1

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

This is different from the first one can someone me

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.