HELP PLEASE FOR A FINAL (NO LINKS PLEASE)
Caveman Bob is the first from his clan to use a lever. He grabs a 3m tree branch and places it over a boulder (fulcrum). He then pulls down on the branch with a force of 500N and the other end lifts the 3500N carcass of the sabertooth tiger 1m off the ground. What is the mechanical advantage of the lever (2pts)?

Write the function getkthdigit(n, k) that takes a possibly-negative int n and a non-negative int k, and returns the kth digit of n, starting from 0, counting from the right

Which branches of natural science include the study of an organism that lived 10 million years ago

Select the best definition for wavelength. the height of an oscillating electromagnetic wave the rate at which electromagnetic waves oscillate. the distance between two crests of an electromagnetic wave. the oscillations of electric and magnetic fields select the best definition for frequency. the oscillations of electric and magnetic fields. the height of an oscillating electromagnetic wave. the distance between two crests of an electromagnetic wave. the rate at which electromagnetic waves oscillate