8.0329 > -8.045 is true or false

What are the sotions to the quadratic equation 9x^2=4

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3

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.