Compute the simplified numerical value of the expression: (4042 + 4040 + 4038 + … + 6 + 4 + 2) − (4041 + 4039 + 4037 + … + 5 + 3 + 1).

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?

90.0% complete a b c d e confirm last week, your delivery runs took 7 hours 12 minutes on monday, 6 hours 46 minutes on wednesday, and 6 hours 53 minutes on friday. what was your average time for a delivery run?

Lucy spent $165 in december using a new credit card. in january, she began paying between $15 and $25 each month towards her account balance.