Combine like terms whenever possible. Write the result with descending powers.-2m3 + 9m3
A. 7m3
B. 21m
C. Cannot be simplified
D. 7m6
Answer: A
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Find the volume of the described solid.The base of the solid is the disk x2 + y2 ? 4. The cross sections by planes perpendicular to the 
between 
and 
are isosceles right triangles with one leg in the disk.
A. 
B. 
C. 
D. 
Provide an appropriate response.Use the max-min inequality to find upper and lower bounds for the value of 
dx.
What will be an ideal response?
Work the application and answer with a complete sentence.A company rents a mid-size car at $309 per month for nine months. What is the cost for the car rental during this time?
A. The rental cost is $2781. B. The rental cost is $2730. C. The rental cost is $318. D. The rental cost is $2813.
Evaluate the expression.
A. ±12 B. 0 C. 12 D. -12