Which statement best describes the information shown by the histograms for the two data sets?

Both distributions are left skewed, but oysters tend to have less volume than mussels.
Both distributions are right skewed, but oysters tend to have more volume than mussels.
Both distributions are symmetric, but oysters tend to have less volume than mussels.
Both distributions are symmetric, but oysters tend to have more volume than mussels.

Solve: 3x+y=6 4x-2y=18 show all work !

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.