Simplify.
? 
? 18
A. 
B. 1
C. 2
D. 
Answer: B
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Solve the problem.The year y when sales were s million dollars for a particular electronics company can be modeled by the radical equation y = 1.3
- 6,where y = 1 represents 2001, and so on. Use the model to predict the sales for 2006 to the nearest tenth of a million.
A. $88.2 million B. $86.7 million C. $89.7 million D. $91.2 million
Solve. Round to the nearest tenth when necessary.Hillary is standing outside of the shopping mall. She is 5.2 feet tall and her shadow measures 
long. The outside of the department store casts a shadow of 75 feet. How tall is the store?
A. 2886 ft B. 106.7 ft C. 0.5 ft D. 52.7 ft
Solve the problem.Michael's bank contains only nickels, dimes, and quarters. There are 69 coins in all, valued at $5.90. The number of nickels is 7 short of being three times the sum of the number of dimes and quarters together. How many dimes are in the bank?
A. 9 B. 50 C. 14 D. 10
Solve the problem.A manufacturer determines that the profit in dollars for manufacturing n units is 
How many units are produced when the profit is $425?
A. 45 units B. 50 units C. 5 units D. 40 units