Use the unpaid balance method to find the finance charge on the credit card account. The last month's balance and any other transactions are given.Last month's balance, $505; payment, $206; interest rate, 20%; bought camera, $84; bought jacket, $126
A. $12.70
B. $8.62
C. $15.49
D. $517.42
Answer: B
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Find the number of proper subsets of the set.{x | x is a day of the week}
A. 64 B. 128 C. 127 D. 256
Use the appropriate identity to find the indicated function value. Rationalize the denominator, if applicable. If the given value is a decimal, round your answer to three decimal places.cos ?, given that sec ? = -7
A. 
B. 
C. - 
D. - 
Tempco Electronics, a division of Tempco Toys, manufactures an electronic football game. An efficiency study showed that the rate at which the games are assembled by the average worker t hours after starting work at 8 a.m. is
?
units/hour. How many units can the average worker be expected to assemble in the first hour of the morning shift? Answers are rounded to the nearest whole unit.
?
A. 23 units
B. 29 units
C. 26 units
D. 25 units
E. 16 units
Use factoring to find f(x) and g(x) so that h(x) = f(x)g(x).x2 - x - 56
A. f(x) = x + 7, g(x) = x - 8 B. f(x) = x - 8, g(x) = x + 8 C. f(x) = x + 1, g(x) = x - 15 D. f(x) = x + 8, g(x) = x - 7