Solve the equation.-9.4 = z - 4.1

A. -5.3
B. 13.5
C. 5.3
D. -13.5

Answer: A

Mathematics

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A.

B.

C.

D.

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Use mathematical induction to prove that the statement is true for every positive integer n.1 ? 2 + 2 ? 3 + 3 ? 4 + . . . + n(n + 1) = 

What will be an ideal response?

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Solve. +  = -1

A.
B. 1
C. 0
D. No solution

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Perform the indicated operations.( 3x2 + 5x - x3 + 7) - ( 9x2  - 2x - x3 + 6)

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