Choose the phrase that best completes the sentences about hunter-gatherers. The first tools used by hunter-gatherers were
axes for cutting
.

Early humans first discovered fire by
.

Weather affected hunter-gatherers by determining their
.

Hunter-gatherers may have affected their environment by
.

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.

i think they came to washington to protest

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering

stay home

hope it