A baby weighs 8 pounds. How many kilograms is it equal to? Explain your reasoning. Note: 1 pound equals 0.45 kilograms.

Please hurry

What basic trigonometric identity would you use to verify that sin x cos x tan x =1-cos^(2)x?

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?

With finding limits of multi variable !