The graph shown is the solution set for which of the following inequalities?

y < x - 3
y < |x| - 3
y < |x + 3|

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

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?