Which of these variables would MOST likely be examined through observational studies? A. None of variables

B. The speed at which a test object is released

C. The economic output of a country

D. The amount of current through in an electric device

the answer is 48m^2!

step-by-step explanation:

answer: i literally just answered this question but they want me to do it again

step-by-step explanation:

answer: 800

step-by-step explanation:

step-by-step explanation:

for exempl this   system of equations   y = x - 3

                                                                y = 2x - 5

look   the line : y = x -3     ( red)

                            the line : y = 2x -5 ( bleus)