Which of the following is the ratio of the area of the shaded region to the total area of the square a)1/2
b)1/3
c)3/8
d)3/4

Iam so stuck. what is the worked out answer for this question?

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

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.