8. what is the length, to the nearest tenth, of the line segment that joins points (4, -1) and
(7,5)?

For this case we have that by definition, the distance between two points is given by:

We have to:

Substituting:

We round:

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8

hello, there is a new name in town and that's the human spider!

answer: d.) the total number of protons and neutrons is 15

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