Which word describes the slope of the line?

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

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.