How can you tell if an ordered pair (x, y) is a solution or a system of linear equations?

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

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Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true