Which of the following are considered skew lines?
1.cone 2. Prism 3. Cylinder 4.cube

Can someone me and plz do the problem

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

Which of the following is the shape of a cross section of the figure shown below