Solve.The textbook for a history class costs $55. There are 31 students in the class. Find the total cost of the history books for the class.
A. $1,705
B. $1,650
C. $86
D. $1,674
Answer: A
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Solve.A company has just purchased a new computer for $10,800. The company chooses to depreciate the computer using the straight-line method over 9 years. A linear function that expresses the book value V of the computer as a function of its age x is 
When will the book value of the computer be $6000?
A. After 5 years B. After 3 years C. After 4 years D. After 6 years
Find the area of the region under the given curve 
over the indicated interval.
?
?
A. 
B. ?
C. ?
D. ?
Find an equation for the hyperbola described. Graph the equation.Center at (0, 0); focus at (5, 0); vertex at (3, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Factor.64c3 + 729
A. (4c - 9)(16c2 + 36c + 81) B. (4c + 9)(16c2 + 81) C. (64c + 9)(c2 - 36c + 81) D. (4c + 9)(16c2 - 36c + 81)