Richard already has 38 flowers in his garden and he can also grow 20 flowers with every seed packet he uses how many seed packets does Richard need to have a total of 218 flowers in his garden

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.