Length and Area

What is the area (in m $^2$ ) of a rectangle with side length 5 m and width 15 m?

Benny drew a square with side length 12. What is the area of the square?

Far Eastern school has a rectangular field of area 3500 m $^2$ . If the width of the field is $50$ m, what is the length (in meters) of the field?

A rectangle has length 17 meters and area 136 meters $^2$ . What is the perimeter (in meters) of the rectangle?

Calvin's monitor screen measures 8 inches by 13 inches. What is the area of his screen (in inches $^2$ )?