Which of the following is a rational number?         

The hypotenuse of a 45 -45 -90 triangle measure 7 square root 2 units

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

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5