Asequence is defined by the recursive formula f (n + 1) = f(n) – 2. if f(1) = 18, what is f(5)?

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

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.