Whats 1/2 + 8 9/14 please help ASAP

98 point question what is the record for most points in one

What is the approximate value of  q  in the equation below? –1.613–1.5220.5853.079

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.