Arectangle of perimeter 100 units has the dimensions shown. its area is given by the function a = w(50 - w). what is the greatest area such a rectangle can have? the rectangle shown has 50-w on the top and bottom. and a w on its left side and right side.

How do i do this activity, is appreciated

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?