Multiply.(x - 3)(x + 5)(4x - 2)

A. 4x3 - 6x2 + 64x + 30
B. 4x3 + 6x2 - 64x + 30
C. 4x3 - 64x2 + 6x + 30
D. 4x3 + 30


Answer: B

Mathematics

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Perform the indicated operation and simplify. ÷ 

A.
B.
C.
D. - 3

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The age of an ancient artifact can be determined by the amount of radioactive carbon-14 remaining in it. If is the original amount of carbon-14 and D is the amount remaining, then the artifact’s age A (in years) is given by A = 8267ln . Find the age of an object if the amount D of carbon-14 that remains in the object is 85% of the original amount .

What will be an ideal response?

Mathematics