The figure below is made up of two rectangles rectangles ABC Andy has an area of 27 cm square and rectangle a xznz has an area of 63cm².What is the area of the shaded part??

2(n-1)+4n=2(3n-1)n=0no solutioninfinitely many solutions n= - 4 !

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

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16