Multiply and write each product in the form y = ax2 + bx + c. then identify a, b, and c.
7. y = x(x - 4)
8. y = (x - 1)(2x - 1) 9. y = (3x - 2)(3x + 2)

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.

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

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?