Find u ? v.u = -5j, v = 7i
A. -12
B. 2
C. 12
D. 0
Answer: D
Mathematics
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Match the equation with the surface it defines.f(x, y) = - 
A. 
B. 
C. 
D. 
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Use the distributive property to multiply. Then, if possible, simplify the resulting expression.3(7 + m)
A. 21m B. 21 + m C. 21 + 7m D. 21 + 3m
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Solve the problem.Determine a polynomial that represents the area of a square having sides of length 
A. 4x2 - 12xy + 9y2 B. 4x2 - 12x + 9y C. 4x2 - 6xy + 9y2 D. 4x2 + 12xy - 9y2
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Write the ratio as a fraction in lowest terms. Be sure to make all necessary conversions.9
days to 2
weeks
A. 
B. 
C. 
D. 
Mathematics