(5x2 + 2x + 11) - (7 + 4x - 2x2)
9 - 2x - 2x2
3x2 - 2x + 4
3x2 + 6x + 4
7x2 - 2x + 4

Find the solution to this system 2,1 1,-2 1,2 -1,2

Travis and paula went to lunch.travis ordered a sandwich for $7.50 and paula ordered a burger for $5.25.after lunch,they left a 15% tip for the waiter.how many money did they spend altogether?

Problem 3 a bank charges a service fee of $7.50 per month for a checking account. a bank account has $85.00. if no money is deposited or withdrawn except the service charge, how many months until the account balance is negative