Imagine that the rectangle is rotated counterclockwise. make a conjecture as to which properties of a figure stay the same after the rotation.

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population, find the population standard deviation, o.79828588912497

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities

The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4πr2. write your answer in scientific notation.