When people clear land to build a house or to plant corn and other crops, they are primarily modifying the . A. atmosphere B. hemisphere C. hydrosphere D. lithosphere

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /

Astudent found the solution below for the given inequality. |x-9|< -4 x-9> 4 and x-9< -4 x> 13 and x< 5 which of the following explains whether the student is correct? -the student is completely correct because the student correctly wrote and solved the compound inequality. -the student is partially correct because only one part of the compound inequality is written correctly. -the student is partially correct because the student should have written the statements using “or” instead of “and.” -the student is completely incorrect because there is no solution to this inequality.

Perform the indicated operation and write the answer in the form a + bi. (-5 + 2) + (3 - 6i)