Answer:
(-1)* (3)^(n-1)
Step-by-step explanation:
common ratio is 3 and the first term is -1
the explicit formula is a * r^ ( n-1)
i.e., (-1) * 3^(n-1)
Answer:
the next one will have 9. bevaude you add 2 each time. 10,12,14,16
Answer:
x=7
Step-by-step explanation:
2x=14
divide both sides by 2
x=7
Answer:
She used a debit card.
Step-by-step explanation:
Debit cards work the same way as if writing a check -- and a person uses a check register to keep track of those check -- or in this case debit charges -- so you can reconcile those purchases when the monthly statement comes.