Hello,
No, this is NOT a proportional relationship.
Have a great day/night and stay safe! :)
Sorry, cannot just give you answers without your input.
I'd suggest that you look up online or in your textbook each of the items under "Type of Boundary." The results you'd get will likely help you fill in the rest of the boxes.
7/8= 0.875
no rounding necessary
I am relatively sure the answer you are looking for is;
H H H T T H T T H H H H
