Answer:
2 and 3 are correct, not sure if you plan on doing 1, in which case I'd help you
26 times 13 is equal to 338
3. A=bh/2
2A=bh
h=2A/b.
8. Dy-Cx=E
Dy=E+Cx
y=(E+Cx)/D
The answer will be A due to them being on opposite sides with the triangle having adjacent measures so both of those angles given provide the same measure