Pls help me with this questions

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

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)