Simplify the complex fraction.

A.
B. a⁶b³c⁷
C.
D.

Answer: D

Mathematics

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Solve the equation. + = 12

A. 2
B. 12
C.
D. 1

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Solve the problem.According to Binet's formula, FN =

A.
.
B.
.
C.
.
D.
^N.
E. none of these

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Find an equation of variation for the given situation.y varies directly as x, and y = 0.7 when x = 0.4.

A. y = 1.1x
B. y = x
C. y = x
D. y = 0.3x

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Solve the problem.Tracy can wallpaper 4 rooms in a new house in 12 hours. Together with her trainee they can wallpaper the 4 rooms in 8 hours. How long would it take the trainee working by herself to do the job?

A. 12 hr B. 28 hr C. 56 hr D. 40 hr

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Mathematics