Can you guys help me with this one please

What percent of the circle below is shaded?

What value of x is in the solution set of 4x – 12 s 16 + 8x?

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.