Solve the exponential equation. Express the solution set in terms of natural logarithms.e x + 7 = 2
A. {e2 + 7}
B. {ln 2 - 7}
C. {ln 9}
D. {e14}
Answer: B
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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
Answer the following statement(s) true (T) or false (F)
The NCTM Curriculum Focal Points contain three primary focal points for each grade level.
Solve the problem.The perimeter of a rectangle is 16 cm. The length is 4 cm longer than the width. What are the length and width of the rectangle?
A. Length: 7 cm; width: 3 cm B. Length: 4 cm; width: 2 cm C. Length: 6 cm; width: 2 cm D. Length: 8 cm; width: 4 cm
Find the sum of the infinite geometric series.
+ 
+ 
+ 
+ ...
A. S = 
B. S = 1
C. S = 2
D. Does not exist