For which values of x does each expression make sense? √(-2x)^2

How do you summarize data in a two-way frequency table?

Which measure is equivalent to 110 ml? 0.0110 l 0.110 l 1.10 l 11,000 l

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable