URGENT PLEASE HELP Consider function f

f(x)=1/2sin(2x)

What is the amplitude of this function?

A. π/4

B. π/2

C. 1/2

D. 1

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?

Plz heeeeeeelp plz give me the answer

If there are 3.281 feet in 1 meter, how many inches are in one centimeter