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c. divide both sides by 6

Step-by-step explanation:

6x= -12

6x/6= -12/6

x = -2

sum= when you add is how much the whole amount is

distance= when you use angles and it means how far it goes

step-by-step explanation:

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.