Pls help me someone pls can you show your work

Answer:
If we split this figure into a rectangle and triangle, we can solve:
THe rectangle would have an area of 4.14 (a=b x h) and the triangle would have an area of 8.28 (a=1/2bh)
If we add these numbers together we should have the area
a=4.14+8.28
a=12.42
Step-by-step explanation: