After three months of living at his new house, tony had for birds period for months later, Tony's still had for birds. Which of the Graphs below models Tony's bird population?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

1. why is a frequency distribution useful? it allows researchers to see the "shape" of the data. it tells researchers how often the mean occurs in a set of data. it can visually identify the mean. it ignores outliers. 2. the is defined by its mean and standard deviation alone. normal distribution frequency distribution median distribution marginal distribution 3. approximately % of the data in a given sample falls within three standard deviations of the mean if it is normally distributed. 95 68 34 99 4. a data set is said to be if the mean of the data is greater than the median of the data. normally distributed frequency distributed right-skewed left-skewed

Each side length of the hexagons is 1, what’s the area of abc