Polygon abcd has sides with these lengths: ab, 5 units; bc, 4 units; cd, 4.5 units; and ad. 7 units. the slope of ab is 5, the slope of
bc is 0.25, the slope of cd is -2, and the slope of ad is 0. the polygon is dilated from point aby a scale factor of 1.2 to form polygon
abcd. match the slopes and lengths of the sides of polygon a'bcd to their values.
slope of a'b'
length of c'd
length of a'd'
slope of bc
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When the indian plate collided with eurasian plate because it was cool 

Evidence peice 1: millions of years ago existed the supercontinent pangea after millions of yearsnit broke into peices and formed smaller continents and islandsevidence peice 2: there is a massive fault line in san fransico and california that has the potential to cause massive earthquakes which supports the theory of fault linesevidence peice 3: mountains are said to be formed by earths tectonic plates crashing against each other for millions of years and eventually if forms a big point know as a mountain.evidence peice 4: the mariana trech is the deepest place (so far) discovered in the oceans of earth. it is so deep that you can literally see how earths plates are divided and or continents as well

The first immigrants to settle in what is now the united states were the ancient ancestors of modern native americans. the precise routes of those first north american immigrants are disputed, but there is no uncertainty about the fact that every human being on the continent is either a recent immigrant or a descendant of earlier immigrants. since the first immigrants came here from asia more than thirteen thousand years ago, there have been four large and easily recognizable modern waves of immigrants into the united states.