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:
Step-by-step explanation:
y-(-2)=22(x-(-2))
The answer should be C. 8 because two times the amount that Charles ate which is 4 equals 8 and 4+8=12
Answer:
a - (6-9)
Hopefully this is correct
Step-by-step explanation:
Answer:
B.18
Step-by-step explanation:
2+1+3
3+3=6
6+5=11
11+7=18