Round 649,418 to the nearestten hundred

What could explain what happened when the time was equal to 120 minutes

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1