Find the average of the numbers.What is the average of all the even integers between -10 and 12, inclusive of both?

A. 2
B. 1
C. 12
D. -22


Answer: B

Mathematics

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Find the unit tangent vector T(t).

r(t) = (2 sint, 4t, 2 cost)

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Find the exact value of the expression.

A. -  
B.  
C.  
D. -  

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Solve the equation. Give an exact solution.log (x - 9) = 1 - log x

A. 10 B. -1, 10 C. -10, 1 D. -10

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Translate to an algebraic expression.The sum of a number and 35

A. 35 - x B. 35x C. 35 D. x + 35

Mathematics