If order doesn't matter (e.g. all the positions in the committee are essentially identical) then the number of possible choices is

.
Answer:
43.5 meters
Step-by-step explanation:
I hope this helps!!!!
I cant help you on 3 but 1 is edge amd 2 is face.
The correct answer is the far left one
Answer:
2h-9
Step-by-step explanation:
Twice the height of h would be 2H and 9 less from that would be 2h-9
Hope this helps :) Plz mark brainliest <3