34 (x) − 1.72 = −6.82= the solution is x =

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction

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.