You make a banner for a football rally. A rectangular banner. The length of the banner is labeled 4 and start fraction 2 over 3 end fraction feet and the width is labeled 1 and one-half feet. a. What is the area of the banner?

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.