An airplane flies 2552 miles in 5.5 hours. what is the speed of the airplane in miles per hour?

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

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.