1. A line through the origin has slope = -3/4. What is its equation in slope intercept form? 2. If -2 is added to each of the x and y intercepts of the line 3x + 2y = 6, find the new equation of the line.

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.