Answer:
When your doctor takes your blood pressure, it's expressed as a measurement with two numbers, with one number on top "systolic" and one on the bottom "diastolic", like a fraction. For example, 120/80 mm Hg. The top number refers to the amount of pressure in your arteries during the contraction of your heart muscle.
Explanation:
Answer: Time is the independent variable, and the number of birds is the dependent variable.
Explanation: The independent variable is a variable that's variation doesn't depend on that of another (it's independent!); or in simpler words, it's the variable that is being changed but is not being measured. It is also often denoted by x. The dependent variable is a variable that's values does depend on that of another (it's 'dependent')-- or it's basically the variable that's be measured. Hope this helps! :)
