Multiply the polynomials using the FOIL method. Express the answer as a single polynomial in standard form.(4x - 3y)(-5x - 7y)

A. -20x2 + 15xy + 21y2
B. -20x2 - 28xy + 21y2
C. -20x2 - 13xy - 13y2
D. -20x2 - 13xy + 21y2

Answer: D

Mathematics

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c. 400 ohms
d. 235 ohms
e. 180 ohms

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What will be an ideal response?

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Solve the equation.-y = -5

A. {0} B. {-1} C. {-5} D. {5}

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