Simplify the expression.
? 
A. 24
B. 10
C. -24
D. -2
Answer: A
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Solve the problem.Frustum of a cone
A small cone has been removed from the top of the original cone. What is the ratio of the volume of the original cone to the volume of the small cone which was removed, given that the radius of the original cone is twice the radius of the small cone?[Hint: Use similar triangles]
A. 4 : 1 B. 8 : 3 C. 8 : 1 D. 2 : 1
Integrate the function.
A. tan-1 6 - tan-1 
B. tan-1 5 - tan-1 6
C. 
tan-1 6 - 
tan-1 
D. tan-1 
- tan-1 6
Find the unknown value.46% of what number is 69?
A. 150 B. 0.67 C. 1500 D. 67
Solve the problem.Stephanie receives a salary of $650 per month plus a commission of 5.5% on the first $3,000 of sales, and 7% of all sales over $3,000. Find Stephanie's wages for the month if her sales were $10,800.
A. $1571.00 B. $1361.00 C. $711.00 D. $2846.00