<h3>Another positive benefit of civil service is that it can provide the workforce with a predictable and easy to understand set of criteria for advancement. In many cases it clearly spells out the specific criteria needed in order to move upward (“through rank”) in the workforce.</h3>
Answer: D. Electronic and Scannable
Explanation: because I took the test and got the answer right

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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first blank: farsightedness (hyperopia)
second blank: nearsightedness (myopia)