Jenna gets paid a total of 10.97 cents an hour<span />
8 ft up the building is where the top of the ladder touches (use Pythagorean Theorem)
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The last one you’re correct , 16 is a perfect example of a perfect square
The length of the radius would sqrt(1+4), or sqrt(5).
2
The angle would be in Quadrant II and would be arctan ------ , or arctan (-2).
-1
Find this angle using a calculator or table.
Then you end up with -1+2i = sqrt(5) angle arctan(-2). The angle would be + and measured from the + horizontal axis.