Reduce the fraction to simplest form.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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State whether you think the difference between what occurred and what you would expect by chance is statistically significant.In eighteen of the last twenty years the annual precipitation in a certain region has been less than in the previous year.
A. Statistically significant B. Not statistically significant
Mathematics
Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = 9x2, y = 9
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Solve by completing the square.y2 = - 3y + 9
A. 
B. -3 ± 3
C. 
D. 
Mathematics
Factor completely. If the polynomial cannot be factored, write "prime."3x3 - 12x2 - 135x
A. 3(x2 - 9x)(x + 5) B. 3x(x - 9)(x + 5) C. x(x - 9)(3x + 15) D. x(3x - 27)(x + 5)
Mathematics