Solve and graph the solutions.|x + 2.5| ? 6
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.V = 
?r3, where r is the radius, in centimeters. By approximately how much does the volume of a sphere increase when the radius is increased from 1.0 cm to 1.1 cm? (Use 3.14 for ?.)
A. 0.1 cm3 B. 1.5 cm3 C. 1.3 cm3 D. 1.1 cm3
Mathematics
The population N, in thousands, of a certain city t years after 2000 is given by 
.
The formula is valid over a 10-year period. Over what period was the population decreasing? A graph of N versus t can help you answer this question.
A. From 2003 to 2010 B. From 2004 to 2010 C. From 2000 to 2003 D. From 2000 to 2004
Mathematics
Perform the modular arithmetic operation.9 ? 9 (mod 7)
A. 3 B. 11 C. 7 D. 4
Mathematics
Graph the equation.y = (x - 2)2
A. 
B. 
C. 
D. 
Mathematics