The Angle Between the Vectors = -2

question 9

Multiple Choice

The angle between the vectors = -2 + 3 and = 4 - 5 is approximately

• A)5º
• B)47º
• C)175º
• D)15º
• E)26º

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Definitions:

Hormones

Chemical messengers produced by glands in the body that regulate physiological functions and behavior by traveling through the bloodstream to target organs.

Bloodstream

The network of blood vessels through which blood circulates in the body.

Secreted

The process by which substances are produced and discharged from a cell, gland, or organ for a particular function in the organism or for excretion.

Parasympathetic Nervous System

A branch of the autonomic nervous system responsible for conservation of body's energy and restoring the body to a state of calm.