Which phrase best describes a certificate of deposit? A. An account in which money must stay deposited for a specific
amount of time
B. An account that features an interest rate that varies according to
changes in the market
C. Money that is lent with the expectation that it will be paid back
later, often with interest
D. An account that pays interest but cannot be used in conjunction
with checks or debit cards

An account in which money must stay deposited for a certain amount of time.

Step-by-step explanation:

y = 2x

step-by-step explanation:

if you divide each number in the sequence, you'll see that they all have a multiple factor of 2. each number in the series, and any other numbers which may continue, will be multiplied by 2. therefore, y is the next number in the sequence, and x is the current one, so, our formula will be y = 2x.