In order for Jack and Phil to compete against each other during the wrestling season next year they need to be in the same weight category. Jack weighs 182 pounds and plans to gain 3 pounds per week. Phil.
weighs 242 pounds and plans to lose 2 pounds per week.

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

On ryan's last social studies test there were two types of questions true/false worth 3 points each and multiple choice questions worth 4 points each

Solve the system of equations. 2x-2y=-4 and x+y=8. show work