Regina pays her credit card balance in full each month.Last month her average daily balance was $345 and the APR is 11.2%.The finance charge on her current month's statement is $13.22.

An investor bought a 10 ½% bond at 109. The bond would mature in 5 years. Compute the rate of yield to maturity. (Do not consider commission. Round answer to two decimal places.)

Water Sports Ltd. pays $360 less 25% for a backyard above-ground pool kit.
Overhead expenses are 16 $\frac{2}{3}$ % of the regular selling price, and the operating profit is 15% of the selling price.
a) What is the maximum rate of markdown the store can offer and still break even?
b) What is the profit or loss per unit if Water Sports clears out its remaining stock at 20% off in a Hot August Bargains sale?

A square television screen measures 39 inches across the diagonal. Find the dimensions of the screen. Round your answer to two decimal places.

A) $19.5\text{ inches }\times 19.5\text{ inches }$
B) $30.88\text{ inches }\times 30.88\text{ inches }$
C) $27.58\text{ inches }\times 27.58\text{ inches }$
D) $8.83\text{ inches }\times 8.83\text{ inches }$
E) $29.68\text{ inches }\times 29.68\text{ inches }$

The covariance of two variables X and Y:

A) must be between −1 and +1.
B) must be positive.
C) can be any real number.
D) None of these choices.

The mean absolute deviation is the summation of the residuals divided by the sample size.