In a __ __ a central government holds all the power. It creates local governments and delegates certain powers to them but can abolish them at any time.

In a unitary government, a central

government holds all power. It creates local governments and delegates (assigns; hands over) certain powers to them, but can abolish them at any time

Explanation:

answer: this problem has only trivial solutions, with all points on the same line. x=5 or x=7/5.

step-by-step explanation:

there are three triangles, and three unknowns: x, y=length of middle segment, and z=cos(angles marked with red arc).

we need

and law of cosines,

the three equations are

see attached image for solution.