41%
There are 70 people who are given either drug A or B, and 100 who are given the placebo. This makes the total number of patients 170, 70 of which don't receive the placebo. You then divide 70 by the 170, getting the 41%
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A quatrain is a type of stanza or full poem that has four lines.
Answer: On the other hand, their opponents.
Explanation: This is used directly after proponents as a phrase to contrast them. You can infer proponents are unlike opponents in this aspect.
Answer:
No community--affluent, poor, urban, suburban, or rural-- is immune from the devastating effects of youth violence
Explanation: