I need these 4 questions, they are 7th grade level so should be easy enough

5. a=3, 4(3)-7=5 12-7=5
6. c=-4. 3-8(-4)=35 3- -32=35
7. w=-52. 15-(-52/4)=28
8. g=27. (27/3)+4=13. 9+4=13

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .