Simplify In e= , In e^2x=, In=1

Find the value of the cosine for angle a

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

Which equation represents the model shown? a)1/3 divide 1/6 = 2 b)2/3 divide 1/6 = 2/18 c)1/3 divide 1/6 = 1/18 d)2/3 divide 1/6 =4