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text The variable is written in a notepad. Variable universal life insurance. the text is written on a white piece of paper. in the lens of a calculator and pens. High quality photo
HRV acronym.HRV (Heart Rate Variability) measures variation between heartbeats, indicating stress and cardiovascular health.
Brain and heart illustration—perfect for symbolizing the balance between logic and emotional communication
RA acronym.Regression Analysis concept.RA (Regression Analysis) is a statistical method for examining relationships between variables.
closeup of variable oystercatcher isolated against out of focus beach scene

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