When you add 98 to a number you usually...

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1

The longer leg of a 30-60-90 trangle is 18

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.