Use each of the numbers 4, 40, and 4090 once to make true statements

Proving the congruent supplements theorem

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?

Aubrey read 29 books and eli read 52 books what number equals to the number of books aubrey read