20Pts. Plz answer quickly

What is secondary exchange ? - apex a. returning a product you are unhappy with b. buying the same product more than once c. buying from people instead of companies d. recycling a previously recycled product

The pyraminx is a rubik's cube-type toy in the shape of a tetrahedron (not a pyramid). the pyraminx shown below has edges 15\,\text{cm}15cm15, space, c, m long and vertical height h=12.2\,\text{cm}h=12.2cmh, equals, 12, point, 2, space, c, m. the triangle drawn with dashed lines is a right triangle. what is the distance rrr? round your answer to the nearest tenth.

When designing content as part of your content marketing strategy, what does the "think" stage represent in the "see, think, do, care" framework?