Why did most merchants not travel the entire distance from china to the middle east to trade their goods?

a. difficult terrain
b. taxes
c. language barriers
d. all of the above

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 correct answer would be a

~courtney