Are the following expressions equivalent? Show your work. 9(4g - 3x +1) and 36g + 27x + 9
3x3 - 18 and 3(x - 6)
17 - x5 - 8z + 7x5 + 10z and
6x5 - 2z + 17

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?

Anyone know? will mark brainliest if you're correct!

Give all possible names for the line shown. calculation tip: lines can be written with either point first.