At a major university. 60% of the students entering the university as engineering majors either switch to a different major or drop out before graduation. if the records of 45 randomly selected engineering students are examined, what is the probability that more than half of them graduate as engineeers?

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

Prove the converse of the pythagorean theorem using similar triangles. the converse of the pythagorean theorem states that when the sum of the squares of the lengths of the legs of the triangle equals the squares length of the hypotenuse, the triangle is a right triangle. be sure to create and name the appropriate geometric figures.