A balloonist sees the rockets go by 4 seconds after it leaves the ground how high is the balloonist from the ground when he sees the rocket

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

Which statement about 6x2 + 7x – 10 is true?

Solve 2x − 1 = 11 for x using the change of base formula log base b of y equals log y over log b.