9students volunteer for a committee. how many different 2-person committees can be chosen?

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays

How much orange juice do you need to make 2 servings of lemony orange slush?

Evaluate the expression. (9 + 5)(3 + 2)0