Using the diagram below, list the layers of the rock in order from oldest to youngest

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

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.

Someone me! will award brainliest if u explain and answer!