Is it possible to make triangle with 1.5cm 3cm 1.5cm and if so which one

Subtract 8 1/6 - 4 5/6 . simplify the answer and write as a mixed number.

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?

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?