Simplify. Combine like terms if possible.-8n - (-n)
A. -9n
B. -7n2
C. -7n
D. -8n2
Answer: C
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For a satellite orbiting Earth, the time required to complete a single orbit is known as the period. The period P, in hours, is related to the distance D, in miles, from the center of Earth by the formula 
.
As the period increases, so does the distance. What can you say about the rate of increase in distance as period increases? A graph of D versus P can help you answer this question.
?
A. Distance increases at an increasing rate as period increases. B. Distance increases at a decreasing rate as period increases. C. A point of inflection is reached. D. None of the above.
Find the volume of the indicated region.the region bounded by the coordinate planes and the planes 
, 
A. 
B. 
C. 243
D. 
Determine the truth of the premises, discuss the strength of the argument, and assess the truth of the conclusion.Premise: I get lower grades than my best friend in math, chemistry, and English.Conclusion: My friend is smarter than I am.
What will be an ideal response?
Solve the equation.
= 
A. 3 B. -3 C. 11 D. -11