What quantity of mustard would you need to make 5 times as much as the original recipe

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 the binomial expansion of (2x-3)^5

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles