Arrange the numbers in descending order:
81; (-2)}; -(3)2; +6; 31-125; -12; +3; (-1)2​

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