When x = 3, y = 4. What is y when x = 12? Group of answer choices

A)3

B)4

C)12

D)16

Simplify each expression. use positive exponents. show work . (x –2 y –4 x 3 ) –2

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.

How to find the volume of an area and height