The endpoints of a diameter of a circle are a (2,1) and b (5,5). find the area of the circle in terms of pi

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?

Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?

Write the pair of fractions as a pair of fractions with a common denominator