The area of the base of a cube is 36in^2. what is the total surface are of the cube ?

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 ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

Can some one me with these questions