Permutations with 10 choices and 5 positios can be solve by using:

Which is greater, 7 p 5 or 7 c 5? 7p5 7c5

Which number produces an irrational number multiplied by 1/3

Jackson earns $25 per hour as a tutor at the college library. he set a weekly spending budget of $130 each week and puts the remaining money in his savings account. how many hours must he work this week to have at least an extra $50 to put in his savings account