What is the approximate area of the shaded sector in the circle below

For the equations below which statement is true ? -2x=14 6x=-42

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.  

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?