1. a policy that allows one group to expel
one group to expel a rival group from a certain area is called

b. used to hunting for their food.

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.

a marriage ending by the death of a husband or wife.

explanation:

i don't see your choices but i'm just gonna give you my answer.