Lida didn't like to tell her age so when she was asked her mother answered for her .her mother said in nusrlt seven times as old as she is now .in twenty years she will be just half the age that i will be them.
how old is clever little linda?

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

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?

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)