The table and graph both represent the same relationship. Which equation also represent that relationship.

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68

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.