Anyone pls help i’m so desperate

If the measure of xyz is 81 what is the measure of yz

Which graph represents the linear function below? y-3=1/2(x+2)

The box plots show the distributions of the numbers of words per line in an essay printed in two different fonts.which measure of center would be best to compare the data sets? the median is the best measure because both distributions are left-skewed.the mean is the best measure because both distributions are left-skewed.the median is the best measure because both distributions are symmetric.the mean is the best measure because both distributions are symmetric