A“2-by-4” board is 1 1/2 inches thick. how high is a stack of 4 boards?

Describe the relationship between the angles of similar triangles and the sides of similar triangles

Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !

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