Solve the equation and check the solution.9x = 90
A. x = 
B. x = 810
C. x = 81
D. x = 10
Answer: D
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Use the figure below to answer the following question(s).
The number of paths from A to F is
A. 10. B. 3. C. 8. D. 18. E. none of these
Write the percent as a fraction or mixed number in simplest form.10
%
A. 1033
B. 103
C. 5
D. 
Find the unknowns on the right side of the partial fraction decomposition.
= 
+ 
A. A = 
, B = - 
, C = 
B. A = - 
, B = - 
, C = 
C. A = 
, B = 
, C = - 
D. A = - 
, B = 
, C = - 
Solve the problem.At a fixed temperature, the resistance R of a wire varies directly as the length l and inversely as the square of its diameter d. If the resistance is 1.25 ohm when the diameter is 1 mm and the length is 250 cm, what is the resistance when the diameter is 2 mm and the length is 720 cm?
A. 225 ohm B. 0.9 ohm C. 1.8 ohm D. 180 ohm