The answer is 3/4 l did on iready and l got it right
Step-by-step explanation:
just look at the objects !
they are completely regular, and each arm can cover every other other arm.
so,
15A needs 1/3 of a full rotation.
15B needs 1/2 of a full rotation.
15C needs 1/4 of a full rotation.
15D needs (can you guess ?) ... 1/6 of a full rotation.
All real numbers that are less that -3 or greater than or equal to 5 is x <-3 and x>=5
I believe it is c sorry if i am wrong