Select ALL the systems of equations that have exactly one solution.

What point is the projection of q on a) r b) s c) t

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

What number line represents the solution set for the inequality -1/2 greater than or equal to 4