Answer:
5.5
Step-by-step explanation:
gradient = (7-(-4))/(-4-(-6)) = 11/2 = 5.5
Answer:
C.
Step-by-step explanation:
OMIGOSH!! I have this same book, ok I'm past this chapter so. Tell me the page and I'll refresh my memory to help.
The answer is y=-3. hope it helps
This is impossible to answer. This all depends on what you define as a 'person.' If you are talking about the first Homo Sapiens, then that would be around 2 million years ago, but the predecessors of Homo sapiens could also be considered 'people,' so then you'd have to determine at what point they came into existence.