Circle A is ___ to circle B.​

Predict which statements are true about the intervals of the continuous function. check all that apply

If the diagram polygon abcd is a reflection across ef to make polygon a'b'c'd'.

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.