Is this statement true or false?

In quadrant I a vector have both positive x and y-components.

Fill in the blank:

In a three-dimensional Cartesian coordinate system, a vector has ________ components.

If the x-component of a vector is 0, what can be said about the vector's direction?

Fill in the blank:

If two vectors have the same direction, then their angle between them is ________.

The magnitude of a vector can be calculated using the components by using which mathematical operation?

Is this statement true or false?

In a vector triangle, the sum of all three angles is equal to 180°.

What is the result of adding two vectors' components separately?

If the x-component of a vector is -7 and the y-component is 24, what is the vector's angle with respect to the positive x-axis?

How are vector components typically represented?

Fill in the blank:

If the x-component of a vector is 5 and the y-component is -3, then the vector's magnitude is _______.