Find missing side of triangle, help!

X2 + y 2 = 36 x + y = 6 solve the system of equations.

Th perimeter of a rectangular garden is 150 feet. the length is 50 feet longer than the width, w. which equation could be used to calculate the width of the garden? a.) 2w+ 2(w-50) =150 b.) 2w+50 + 2w =150 c.) 2(w+50) + w =150 d.) 2w+ 2(w + 50) = 150 need asap. will give brainliest !

Find the area of the region between a regular hexagon with sides of 6" and its inscribed circle.