Lol I just can’t with these

Which of the fpllowing is not an element of rococo art or architecture? a) playfulness b) simplicity c) asymmetry d) nature

In the united states what did dot commission aiga to do? a. design collages b. design posters c. design public symbols d. design book covers

How did brunelleschi solve his problem with the dome of the florence cathedral? a. he created an outer support shell. b. he created many layers of support within the dome. c. he created external supports for the dome. d. all of the above