The length of a rectangle is two more the width. the perimeter of the rectangle is twice the length plus twice the width. find the length of the rectangle , if the perimeter is 20ft.

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip

3382-299=3383- ? fill in the blank?

1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. [tex]\frac{5}{x(-2) y9(5)}[/tex]