Can anyone tell me how to do this?

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

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?

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.