The answer to this question is B
Step-by-step explanation:
<h3>→ Q (-1,-5)</h3>
<h3>→ R (8,-6)</h3>
<h3>→ S (0,-2)</h3>
$21 I'm really sorry if this is wrong but this is what I got
Th volume that reflects these changes will be: 3/21 (L*W*H), hope that helps.