Find the indicated matrix.Let A =  and B = . Find -2A + 4B.

A.
B.
C.
D.


Answer: C

Mathematics

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Combine the complex numbers.(-3 + 3i) - 4

A. -7 + 3i B. 1 + 3i C. 7 - 3i D. 1 - 3i

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Find the LCD for the fractions in the list. ,  , 

A. 180 B. 36 C. 90 D. 60

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Solve the problem.A certain radioactive isotope decays at a rate of 0.25% annually. Determine the half-life of this isotope, to the nearest year.

A. 3 yr B. 120 yr C. 277 yr D. 200 yr

Mathematics

Provide an appropriate response.Explain the distinction between ratio and proportion. Give examples.

What will be an ideal response?

Mathematics