This is what the graph of in(x) looks like
10*30=300
10*4=40
6*30=180
6*4=24
add them up: 300+40+180+24=544
Answer:
100 is correct answer
Step-by-step explanation:

when ever anything ² , it means that number is multiplied by itself.
in above we multiple 10 with 10 and we get 100.
hope it helped you:)
Perimeter=106ft
Area=448ft^2
Make sure you remember to subtract various values to find the length of missing sides.