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:
717 divided by 9=239/3
85 divided by 8=85/8
200 divided by 5=40
Step-by-step explanation:
Answer:
B 14.13 
Step-by-step explanation:
Volume of cone is 
soo it would be:
3.14(1.5)^2(6/3)
=3.14(2.25)(2)
=7.065(2)
=14.13
Answer:
C
Step-by-step explanation:
300/20 = 15
she can skip 15 feet per second
hope this helps