In Roman numerals, letters represent numbers. For example, I = 1, V = 5, X = 10, L = 50, and C = 100. Letters in Roman numerals are written next to each other; this is how the value of the number is shown. To read the numbers below, add the values of all of the letters. What numbers do the following represent?

a. CLX b. LVI c. CIII

Which of the following correlation coefficients represents the strongest relationship between two variables? a. +0.30 b. +0.75 c. +1.3 d. -0.85 e. -0.05

An exercise machine with an original price of $860 is on sale at 12% off. a. What is the discount amount? b. What is the exercise machine’s sale price?

You deposit $10,000 in an account that pays 4.5% interest compounded quarterly. a. Find the future value after one year. b. Use the future value formula for simple interest to determine the effective annual yield.

Suppose that you deposit $10,000 in an account that pays 4.5% interest compounded quarterly. a. Find the future value after one year. b. Use the future value form ula for simple interest to determine the effective annual yield.

Assume that the accounts described in the exercise have no other deposits or withdrawals except for what is stated. Round all answers to the nearest dollar, rounding up to the nearest dollar in present-value problems. Assume 360 days in a year. You deposit $2600 in an account that pays 4% interest compounded once a year. Your friend deposits$2200 in an account that pays 5% interest compounded monthly. a. Who will have more money in their account after one year? How much more? b. Who will have more money in their account after five years? How much more? c. Who will have more money in their account after 20 years? How much more?