What is the mean of -71,-62,-88-38-89,15,-76

Can (2,3 and square root 10) be sides ona right triangle?

What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.

Which of the following three dimensional figures has a circle as it’s base