Use the formula
n(n-1)/2
which is the total number of connections between n points
So,
4(3)/2 = 6
the answer is option C.
Hope this helps
Answer:

Step-by-step explanation:
So we know that:

To reflect across the <em>y-axis</em>, instead of x, use -x. Therefore:

Simplify:

And that's our answer :)
The solutions to q² - 125 = 0 are q = ±√125.
q = -5√5
q = 5√5
Answer:
no but 1+1=2 hehe
Step-by-step explanation:
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