Five students from the 90 students in your class not running for class president will be selected to count the ballots for the vote for class
president. In how many ways can the 5 students be selected?
I

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