Perform the indicated operation and write the answer in lowest terms. 
2
A. - 
B. - 
C. 
D. 
Answer: C
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Provide an appropriate response.Suppose a population has a doubling time of 20 years. By what factor will it grow in 20 years?
A. 1 B. 2 C. 4 D. 3
Find the values of x for which the equation is true.
- 5 = 7
A. -12 B. 12 C. 2, -2 D. 12, -12
Solve the problem. Use 3.14 as an approximation for ? where appropriate.Find the volume of a feed bin having the shape of a right circular cylinder of radius 8 feet and height 7 feet topped by a right circular cone of the same radius and height 4 feet. (Round to the nearest hundredth unit.)
A. 535.80 ft3 B. 1406.72 ft3 C. 2813.44 ft3 D. 1674.62 ft3
Provide an appropriate response.Determine whether a linear or quadratic function would be a more appropriate model for the graphed data. If linear, tell whether the slope should be positive or negative. If quadratic, decide whether the coefficient of x2 should be positive or negative. CRIME STATISTICS 
Years since 2000
A. Quadratic; positive B. Linear; positive C. Quadratic; negative D. Linear; negative