What is the slope of a line that is perpendicular to the line y =1/6 x + 4?

What is coefficient of the term of degree of degree 5 in the polynomial below

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

For what value of (y) is 3^3/3^y =1/9