Answer:
19 m
Step-by-step explanation:
This is Geometric progression with

Then the fomular of sum is

Each term is double the one before it, so the appropriate choice is ...
... D. f(x+1) = 2f(x)
Answer:
i think teh value of each variable is 45.
Step-by-step explanation:
Answer:
find using calculator yourself:))
Step-by-step explanation:
pi x r x r = pi x 88 x 88 = answer
Yes there right the answer is three