will give brain crown thingy to the first person who answers :)

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

Find the actual dimensions of the box. the side length are in meters and integers. the surface area of the box is 104 m2 and volume of the box is 60 m3.

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.