EASY WORK:Hamburger sells for 3 pounds for $6 .If Samantha buys 10 pounds of hamburger, how much will she pay?

Given: ac and db are diameters. m∠3=

Find cot x if sin x cot x csc x = √2

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.