Describe two disadvantages of using credit cards. Choose the correct answer below. A. Two disadvantages of using credit cards are the high interest rates on unpaid balances and the fact that there is no interest charged when paying the balance due at the end of each billing period. B. Two disadvantages of using credit cards are the high interest rates on unpaid balances and the fact that there is no cap on interest rates. D. Two disadvantages of using credit cards are the high interest rates on unpaid balances and the ability to use a product before actually paying for it. D. Twang of using credit cards are the fact that responsible use of a credit card is an effective way to build a good credit score and the fact that there is no cap on interest rates.

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A car was valued at \( \$ 34,000 \) in the year 1990 . The value depreciated to \( \$ 11,000 \) by the year 2006 . A) What was the annual rate of change between 1990 and 2006 ? \( r=\square \) Round the rate of decrease to 4 decimal places.

Consider a credit card with a balance of \( \$ 9000 \) and an APR of \( 16.5 \% \). If you want to make monthly payments in order to pay off the balance in 3 years, what is the total amount you will pay? Round your answer to the nearest cent, If necessary.

Find the time required for an investment of 5000 dollars to grow to 6500 dollars at an interest rate of 7.5 percent per year, compounded quarterly. Your answer is \( t=\square \) years. You may enter the exact value or round to 2 decimal places.

\( \$ 5000 \) are invested in a bank account at an interest rate of 5 percent per year. Find the amount in the bank after 13 years if interest is compounded annually. Find the amount in the bank after 13 years if interest is compounded quarterly. Find the amount in the bank after 13 years if interest is compounded monthly. Finally, find the amount in the bank after 13 years if interest is compounded continuously.