Solve the equation. If the equation is an identity or a contradiction, so indicate.8x - 2(5x + 4) = 2(x + 5)
A. 
B. 
C. 
D. identity
E. contradiction
Answer: A
Mathematics
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Sketch a graph of f.f(x) = -4x2 + 3x
A. 
B. 
C. 
D. 
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Find the perimeter of the triangle.
A. 65 m B. 130.5 m C. 58 m D. 67 m
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Solve the problem.In the city of Gloomville, the probability of rain on New Year's Day is 60%. What is the probability that next New Year's Day it will not rain in Gloomville?
A. 40% B. -60% C. 36% D. 60%
Mathematics
Solve. 
+ 11 = 13
A. 30 B. 15 C. -4033 D. 11
Mathematics