Pre calculus help with please

Find the balance at the end of 4 years if 1000 is deposited at the rate of

For the equations below which statement is true ? -2x=14 6x=-42

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