What is the answer 6x-4y=48

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

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

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r