Answer:
17
Step-by-step explanation:
-(-17)=-1*-1*17=1*17=17
the answer is D
reason: ration of freshmen to sophmores is 17 to 19, for other way around, flip the num ber
If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up (+1).
If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down (no change).
0.142 ≈ 0.1
The answer to your question is 0.667