What is the domain and range of this graph? ​

What is the ratio of the length of an object in yards to the length of the same object in miles?

Why is x= 4 a solution to the proportion 14/x 56/1 6

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.