Write as a decimal.80%

A. 0.69
B. 8
C. 0.8
D. 0.08


Answer: C

Mathematics

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Perform the indicated operations.(x - 5)(-4x - 10)

A. -4x2 + 8x + 50 B. -4x2 + 10x + 50 C. -4x2 + 50x + 10 D. -4x2 + 10x + 10

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Find the sum of the measures of the angles of the polygon.

A. 540° B. 720° C. 800° D. 360°

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If the function is one-to-one, find its inverse. If not, write "not one-to-one."{(-7, -7), (-6, -7), (-5, -3), (-4, -9)}

A. {(-7, -7), (-6, -3), (-5, -9)} B. not one-to-one C. {(-7, -9), (-7, -3), (-5, -6)} D. {(-7, -7), (-9, -3), (-5, -6)}

Mathematics

Solve the problem.The power that a resistor must dissipate is jointly proportional to the square of the current flowing through the resistor and the resistance of the resistor. If a resistor needs to dissipate  of power when  of current is flowing through the resistor whose resistance is  find the power that a resistor needs to dissipate when 

/> of current are flowing through a resistor whose resistance is 

A. 324 watts
B. 72 watts
C. 144 watts
D. 36 watts

Mathematics