Step-by-step explanation:
I'm not sure if I got the correct answer since English is not my first language
Ellen bought 3 greeting cards for $3 each.
1 answer:
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Answer:
it seems like the first term is -64, so lets write the formula accordingly:
a_n = a1(r)^(n-1)
where 'n' is the number of terms
a1 is the first term of the sequence
'r' is the ratio
the ratio is because -64 *
= 16 and so on...
the explicit formula is :
=
Answer:
C.
Step-by-step explanation:
Hi there!
To answer this, we must set it up as
Now we just use the distributive property to solve.
this becomes
I hope this helps!