Xian and his cousin both collect stamps. xian has 56 stamps, and his cousin has 80 stamps. both have recently joined different stamp-collecting clubs. Xians club will send him 12 new stamps per month, and his cousin's club will send him 8 new stamps per month. After how many months will xian and his cousin have the same number of stamps? HOW MANY STAMPS WILL THEY EACH HAVE HELP ASAP PLEASE

Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.

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?

X^2/100+y^2/25=1 the y-intercepts are at: a) (-10,0) and (10,0) b) (0,10) and (0,5) c) (0,-5) and (0,5)