(x 3 + 43 - 49x - 7x 2) ÷ (x 2 - 49) Perform the indicated operation.

What can you learn about precipitation levels in south america from this map? brazil is experiencing a drought.it rains more in higher altitudes.peru received the highest level of rain.venezuela got less than 25 cm of rain. 

Uncle tom's cabin started out as a series of articles printed in the national era, a newspaper.

Ascientist makes a map using gis. one layer is an aerial photograph of farmland. other layers show water level changes and how crop cover has changed over time. what might the scientist be studying?