Kendra surveyed 100 people who own a dog or a cat, or both. Of those surveyed, 15 one both a dog and a cat, and the number of people who people who own a dog is four times the number of people who own a cat. How many people surveyed own a cat?

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants. assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1

The ages of personnel in the accounting department of a large company are normally distributed with a standard deviation of 7 years. there is a 0.02275 probability that the age of any randomly chosen person in the department is less than 22 and 0.15866 probabilty that the age of any randomly chosen person is greater than 43. what is the mean of this distribution?