The graph shows the weight and fuel efficiency, in miles per gallon, for a selection of vehicles. Which is the best estimate of the correlation coefficient of the line of best fit?
A. -0.91
B. -0.23
C. 0.68
D. 0.89

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

Atourist boat is used for sightseeing in a nearby river. the boat travels 2.4 miles downstream and in the same amount of time, it travels 1.8 miles upstream. if the boat travels at an average speed of 21 miles per hour in the still water, find the current of the river.

This is my question: kate has 4 and 3-eighths yards of fabric and needs 2 and 7-eighths yards to make a skirt. how much extra fabric will she have left after making the skirt?