The equation tan(x+pi/6) is equal to

You are assembling pieces of an iron gate to complete a fence. the finished gate will look like the one below. in order to assemble the gate it is important to under how the pieces are related. part 1: how are pies 1 and 2 in the archway related? part 2: how are the rectangular sections 5 and 6 in the center of the gate related to each other?

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Need on this one asap im almost done with this subject