The density of venus, compared to earth having a density of 1, is 0.943. the density of mercury is 0.983, compared to the density of earth. which planet has a greater density, venus or mercury?

Which of the following tables represents exponential functions?

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.

A. 15 degrees b. 45 degrees c. 30 degrees d. 60 degrees