Supplementary angles are angles whose sum is 180°. two supplementary angles are such that one angle is 3 degrees° less than less than twice twice the other. find the measures of the angles.

Abby is collecting rainfall data. she finds that one value of the data set is a high-value outlier. which statement must be true? abby will use a different formula for calculating the standard deviation. the outlier will increase the standard deviation of the data set. the spread of the graph of the data will not change. abby will not use the mean when calculating the standard deviation.