In how many ways letters MMMPPPQRS can be arranged if Q need to be to the right of letter R?

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)