Simplify 5 + 2(3x - 4) -x AND show your work. Please help.

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

Complete the equation of the live through (-1,6) (7,-2)

Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !