What is a text feature for a country

Zac wanted to determine the measure of r and of ? r in the triangle below. to fine the measure of r, zac sets up the problem.42^2 + 24^2 = r 2. determine whether zac set the problem up correctly.

Formidable obstacles of climate, terrain, and distance hinder exploitation of natural resources in russia. true false

What is most often given a value of zero to describe an object’s position on a straight line? displacement reference point distance ending location