The values in the x column represent a specific number pattern, while the values in the y column represent a different pattern. Which graph provides a visualization of these two patterns?

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

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