So i need to do 3/2 times 5

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.

Which diagram best shows how fraction bars can be used to evaluate 1/2 divided by 1/4?

Borat elise said that the expression 2.6 x -1.3 x-4.5 is equivalent to 1.3x -4.5