Its B, C, E, F because for B the neg reciprocal of 1 is -1
<h2><em>All of it. Be kind to your mother.</em></h2><h2><em></em></h2><h2><em></em></h2><h2><em></em></h2><h2><em>In all seriousness, 15% of 100 is itself. 15. If it was 27%, it'd be 27. So on and so forth.</em></h2>
Good luck on this it's pretty easy
A. Always
These lines<span> are </span>perpendicular<span> since their slopes are negative reciprocals.</span>
