All edges of a cube are expanding at a rate of 7 centimeters per second. (a) How fast is the volume changing when each edge is 4 centimeter(s)?
cm/sec
(b) How fast is the volume changing when each edge is 12 centimeters?
cm3/sec

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.