$(1$a$)$ Examine and comment determinacy and stability of the structure below

$(1$b$)$ Are there any three$-$hinged sub$-$structures and what is the flow of forces?

$(2$a$)$ Determine support and joint reactions

$(2$b$)$ Verify results using graphic statics

$(2$c$)$ Construct N$,$ S$,$ M diagrams

Please draw out the diagrams. This is due ASAP