Express the given expression in simplest form with only positive exponents.(x-9y11z3)(x-4y-4z7)

A. x5y7z10
B.
C.
D.

Answer: B

Mathematics

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Find .y = (x + 8) sin x

A. cos x ln (x + 8) +  
B. sin x ln (x + 8)
C. (x + 8) sin x
D.  (x + 8) sin x

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Mathematics

Solve the problem.On a map of Nature's Wonder Hiking Trails, 1 centimeter corresponds to 3 miles. Find the length of a trail represented by a line that is 1 centimeters long on the map. Write the answer as a mixed number, if necessary.

A. 28 mi
B. 2 mi
C.  mi
D. 4 mi

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Mathematics

Write an equation of the line through the given point with the given slope. Write the equation in slope-intercept form.(-5, 0); m = -7

A. y = 7x - 5 B. y = -7x - 35 C. y = -5x - 7 D. y = 5x - 7

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Mathematics

Simplify.

A.  
B.  
C. - 
D.  

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Mathematics