What is the value of x?

the figure shows a triangle. at one of the vertices of the triangle, two sides are produced, and the exterior angle is labeled as 114 degree. the angles formed on the other two vertices are labeled as x and 2 x.

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters

Jim had 15 minutes to do 5 laps around his school what would his time be

Which of the following will form the composite function?