Answer:
Option B - 
Step-by-step explanation:
Given : Fidel has a rare coin worth $550. Each decade, the coin's value increases by 10%.
To find : Which expression gives the coin's value, 6 decades from now?
Solution :
The given situation represents the exponential function,

where, a is the initial value i.e. a=$550
r is the increased rate r=10%
n is the time i.e. n=6
Substitute the value in the formula,


Therefore, option B is correct.
Answer: 60 please give brainliest
Step-by-step explanation:
Answer:
6
Step-by-step explanation:
-9+6=-3
Answer:
20 cm
Step-by-step explanation:
Assuming that the side lengths you've written are the only side lengths of the shape, meaning it would be a trapezoid, all you do is add them up together.
3 + 5 + 5 + 7 = 20
Answer:
B
Step-by-step explanation:
no need to explain
hope it helps