What message does Douglas wants to convey?

The message signal

What does ANF do?

A florist has 2 azaleas, 3 buttercups, and 4 petunias. She puts two flowers together a random in a bouquet. However, the coustomer cells and says tha she does not want two of the same flower. What is the probability that the florist does not have to change two bouquet?

What does axoplasm contain?

State whether the current is a scalar or vector ? What does the direction of current convey ?

An electric bulb is marked 100 W, 250 V. What information does this convey?