Order the expressions from least value to greatest value. 5/-1.6, -3 3/10 - (-7/20), -4.5 x - 2.3, 5 6/15 + (-2 4/5)

1. during first 10 seconds 2. between 10 seconds and 35 seconds 3. during 35 seconds to 40 seconds

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?

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?