Casey described the data on a dot plot as having a spread from 0 to 5 and a center of 3. Which dot plot shows the
data Casey is describing?
Number of Mammals
Number of Amphibians
Number of Reptiles
2
4
6
8
10
12
3
4
5
6
7
0
1
2
3
4

The pyraminx is a rubik's cube-type toy in the shape of a tetrahedron. the pyraminx shown below has edges 15\,\text{cm}15cm long and vertical height h=12.2\,\text{cm}h=12.2cm. the triangle drawn with dashed lines is a right triangle. what is the distance rr? round your answer to the nearest tenth.