Answer:
70 cm
Step-by-step explanation:

1. the answer is D
2. You are correct it is vietnam
3. the answer is 1947
Answer:
V=450cm^3
Step-by-step explanation:
l=15cm
w=6cm
h= 5cm
V=lxwxh
V= 15cmx6cmx5cm
V=90cm^2x5cm
V=450cm^3
Hope this helps ❤❤❤❤
Step-by-step explanation:
The Mathematical expression would be given as:
- (70 + 2n)
Where n represents any given year.
Negative sign is taken as it symbolises depth below sea level.