A periodic function f(x) has a period of 7. The values of f(-2), f(0), and f(3) are -4, 6, and 2, respectively. Predict the value of each of the following. If a prediction is not possible, explain why.
a) f(70)
b) f(26)
c)f(-32)
d) f (80)

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.