Which of the following is a U. S. Senator from Texas?

What is the role of buyer & seller in the marketplace

This cartoon appeared in 1916. the topic of the cartoon isa)the reason for the start of world war i.b)the success of us submarines in world war i.c)the military alliance between germany and mexico.d)the attitude in the us towards submarine warfare in world 

The graph represents price and output quantities under a monopoly what price will the monopolist firm set