Judging by the charts, the first five-year plan was considered a
failure because production in both of these industries declined.
success for steel production but a failure for coal production.
o failure for steel production but a success for coal production.
o success because production in both of these industries soared.

It the 2 one because you need coal production

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.

in 550 b.c.e. cyrus the great, the leader of the persians, conquered the medes and united the iranian people under one ruler for the first time. cyrus became the first king of the persian empire and went on to establish one of the largest empires in world.