Hannah is n year old. Her aunt Emily is three times older than Hannah's. Emily is 48 years old . A) write down an equation for this information. B) solve stour equation to find how old Ronald is

Combine like terms to make a simpler expression 3z+z

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)

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.