A sum of $5,000 is invested at a rate of 6%. Find the balance after 5 years if the account is subject to quarterly compounding. (Simplify your answer. Round to the nearest cent as needed.)

What is the value of x in the diagram below?

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

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.