Step-by-step explanation:
in ascending order;
4/15 ,1/5 ,2/3
F+G:

Then, add the elements that occupy the same position:

Solve

So, we find the element at address h31:

In this case, position h31 is - 8.0
Answer:
105 cm²
Step-by-step explanation:
We can see that the area at the square at the bottom, since one side is 5, is 5²=25. Then, we know that the height of the triangles is 8, the base is 5, and there are 4 of them, so ((5*8)/2)*4=80. Add these up to get 105 as our total