
1) x=9, because we can use the Pythagorean theorem, x^2 + 144 = 225, x^2 = 81
2)
, because 6^2 +6^2 = 72, 
3)
, because 
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ok so she is selling the card for .75 but makes a profit of .35
.75-.35=.4 (what wasn't profit) divid 42 by .4
42/.4=105+42 (have to add in profit portion) =$147 Gross income
Answer:
One of many fieldwork positions in direct services is social workers.
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