Okay so i need more help im sorry im too umb to understand :(

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?

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

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