Answer:
A
Step-by-step explanation:
The explicit formula for a geometric sequence is
f(n) = f(1) 
where f(1) is the first term and r the common ratio
Here f(1) = 64 and r =
=
=
, then
f(n) = 64
→ A
Gabriela has a stack of 9 nickels.
0.72 x 9 = 0.08
Answer:
a = 3
Substitute the value of point (a,7) in the equation and solve for a
5(a)-7=8
5(a)=8+7
5(a)=15
a = 15/5 = 3
God Bless and stay safe!
- Eli <3
25 and. Half by 16 then do the 15