Asystem of equations is shown below: x + y = 3 2x − y = 6 the x-coordinate of the solution to this system of equations is (4 points)

Your company withheld $4,463 from your paycheck for taxes. you received a $713 tax refund. select the best answer round to the nearest 100 to estimate how much you paid in taxes.

Which number line correctly shows 0.8 + 0.3?

Plzzz answer both questions and i will give you 100 points