In 2073 B. s the mid year population of a certain place was 60,000. In the same place 4,000 live births and 800 deaths took place, find our Crude Birth Rate (CBR ) and Crude Death Rate (CDR) of that place.

The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet

Among the most famous of all meteor showers are the perseids, which occur each year in early august. in some areas the frequency of visible perseids can be as high as 40 per hour. given that such sightings are poisson events, calculate the probability that an observer who has just seen a meteor will have to wait at least five minutes before seeing another.

You are studying for your final exam of the semester. up to this point, you received 3 exam scores of 67%, 68%, and 78%. to receive a grade of c in the class, you must have an average exam score between 70% and 79% for all 4 exams including the final.