Andrea wanted to know how much farther she ran on Tuesday than on Monday. Her work is below.

What mistake did Andrea make when solving the problem?
A. She did not align the decimal points.
B. She did not rename correctly.
C. She added instead of subtracted.
D. She did not subtract 15 and 6 correctly.

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

Measure a and b and find their sum. how are the angles related?

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.