How many square meters of tile are needed to tile the sides and bottom of the swimming pool that's 25 by 20

Will mark brainliest question in the pic.

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?

At 6 1/2 cents per pound of string beans how much does 7 pounds cost