Your $1000 investment in an energy stock doubles. your $1000 investment in a tech stock drops in half. what was the total return on the two investments?

What are the domain and range of the functiony = 2(x - 3)2 + 4?

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

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?