Needing a proper paragraph done with 6-9 sentences with any of these topics.

What is the solution to the system of the equations? x = y - 3 x + 3y = 13

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 number of liters in 12.8 gal of gasoline. round to the nearest hundredths