She cuts off 21 cm. this leaves 63cm. cut into 6 equal pieces gives 10.5 cm pcs
Let the initial point of the vector be (x,y). Then the magnitude of the vector v can be written as:

The magnitude of vecor v is given to be 10. So we can write:

Now from the given options, we have to check which one satisfies the above equation. That point will be the initial point of the vector.
The point in option d, satisfies the equation.
Thus, the answer to this question is option D
It mean something that is even
Answer: The answer is C = -P + R
That would be 2.1 because if it's in decimal it's 2.1