Which of the following statements is true? A fixed pulley has a mechanical advantage of three.
A block-and-tackle pulley is attached to a support, such as a pole.
An axe is made of a wedge and a lever. It is a compound machine.
All of the above.

your answer should be c, it seems to be the only one that makes sense. mark me branliest : )

50% because no one is smart enough to relize that money makes the world go round and 99% of the earth hates donald trump the other 1% is the republicans go figure right

its b i looked it up hope u get it right wish u luck