Lunar phases only happen once every 28 earth days and occur as a full moon.

true

false

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.

hi!

your answer is d

mark me brainliest

~courtney

troy donahue,   i think.