The area of a square is 2500 cm .what is the side legth of the painting?

Answer this question only if you know the answer! 30 points and

Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?