Text periodicity and symmetricity of function y=cosx

What is the rotational symmetry of a wheel

Of to(3, 4) (2,1) (3,7) (5,2) (5,-2) (3, 3) (-2, 3) (1,2) (-4,-2) (-3, 1) (4, -1) (-1, 1) 10 v 29

In austin texas 8 bats ate 40 grams of insects in one night at this rate how many grams of insects could 64 bats eat in one night