Find the derivative.y = - 2x7 

A. - 2x6 
B. - 14x6 
C. - 14x8 
D. - 14x7 


Answer: B

Mathematics

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Convert the Egyptian numeral to Hindu-Arabic form.

A. 65,473 B. 6973 C. 11,473 D. 6547

Mathematics

Answer the question.If we apply the quadratic formula and find that the value of b2 - 4ac equals zero, what can we conclude about the solutions?

A. The equation has no real number solutions. B. The equation has exactly one irrational solution. C. The equation has two different rational solutions. D. The equation has exactly one rational solution.

Mathematics

Find the mean of the scores.

7, 3, 4, 1, 6, 3 a.  3.5 b.  4 c.  3 d.  2.5 e.  6

Mathematics

Solve the equation. Express radicals in simplest form.(x - 4)2 = 49

A. {53} B. {-3, -11} C. {11, -3} D. {7, -7}

Mathematics