Which was the last design louis sullivan worked on?

Which of the following artists is known as the “father of pop art”? a. andy warhol b. norman lewis c. richard hamilton

What sounds most like a personal problem a. someone with a boyfriend b. someone with a dog humping their leg c. life

To create an illustration of perspective, this artist did all of the following except 1) show clear orthogonal lines 2) have an implied vanishing point 3) distort proportion to keep the background and foreground the same size 4) include value changes between the foreground and background i was thinking maybe 1