Answer:
Explanation:
I believe the answer is b? Yes, people back then did need to use advanced tools.
B. -1
y2-y1/x2-x1
(-1,3). (3,-1)
-1-3/3+1
-4/4
-1
<span>Homo neanderthalensis</span>
Denmark<span>, </span>Poland, theCzech Republic<span>,</span>Austria<span>, </span>Switzerland<span>, </span>France,Belgium<span>, </span>Luxembourg<span> and the </span><span>Netherlands</span>
I honestly have no clue what the answer is and I really would like to know as well