Solve the problem.If Gloria received a 12 percent raise and is now making $22,400 a year, what was her salary before the raise? Round to the nearest dollar if necessary.
A. $20,000
B. $20,400
C. $21,000
D. $19,712
Answer: A
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Find 
by using logarithmic differentiation.y = 
A. 
B. 
C. 
D. - 
x(1 - 7x)2/3
Use percents, percent equations, and/or percent proportions to solve the application.A basketball player made 307 field goal attempts in one season. If this was 48.5% of his attempts, how many field goals did he attempt?
A. 1266 field goals B. 298 field goals C. 633 field goals D. 149 field goals
Use Bayes' rule to find the indicated probability.Two stores sell a certain MP3 players. Store A has 34% of the sales, 5% of which are of defective items, and store B has 66% of the sales, 1% of which are of defective items. The difference in defective rates is due to different levels of pre-sale checking of the product. A person receives a defective item of this product as a gift. What is the probability it came from store B?
A. 0.275 B. 0.22 C. 0.5667 D. 0.7083
Sketch the graph of the line by locating the second point with the rise-and-run method.Through (5, 6), m = 
A. 
B. 
C. 
D. 