Please help I’ll mark you as brainliest if correct

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?

What is this inequality notation? t is less then or equal to 2

Which point lies on a circle with a radius of 5 units and center at p(6, 1)?