The physical education instructor asks each student to do a total of 36 pull-ups and push-ups in 3 minutes. the instructor wants to do 8 times as many push-ups and pull-ups. write a system of linear equations that represent this situation. how many pull-ups and push-ups are required in 3 minutes?

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.