99 points, will give to brainliest in order to sell a piece of land and owner must indicate the boundary of the property and acreage of the land. if you have a composite (made up of more than one shape) piece of land, explain how to find the length (perimeter) of the boundary and the acreage (area) of the property.

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

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults.how many students and adults went if the ticket charge was $42.75

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms