i dont understand my math homework problems can you please help me

1 1 point Solve fo x, the exterior angle of the regular pentagon shown. type your answer.. 2 I point Solve for x, given that the triangle shown is equilateral. As + 12) type your answer... 3 point A regular octagon is connected by one side to a regular hexagon as shown. Solve for x. type your answer... 4 point The measure of an interior angle of a decagon is 122. What is the measure of x, the corresponding exterior angle? type your