How do I subtract fractions and wholes? Please explain step by step to get marked as brainliest!

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?

For g(x) = 5x - 3 and h(x) = [tex]\sqrt{x}[/tex], find (g · h)(4)

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?