Simplify the ratio.42 : 54
A. 6 : 1
B. 9 : 7
C. 7 : 9
D. 1 : 6
Answer: C
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Write the decimal in words. ? 6.097 ?
A. Six and ninety-seven divided by a thousand B. Six and ninety-seven thousandths C. Six and ninety-seven hundredths D. Six and ninety-seven ten-thousandths E. Six ninety seven thousand
Follow the principles of estimation to find an approximate value.Estimate by rounding to the nearest tenth for the numerator and the nearest thousandth for the denominator.
A. 0.0125 B. 80 C. 74.3460765 D. 0.01345061
Find the sum or difference.(3x9 + 11x7 - 4x3 + 8) - (11x9 - 8x5 + 8x3 - 9)
A. -8x9 + 11x7 - 8x5 - 12x3 + 17 B. 8x9 + 11x7 + 8x5 - 12x3 + 17 C. 8x9 + 11x7 - 8x5 - 12x3 + 17 D. -8x9 + 11x7 + 8x5 - 12x3 + 17
Solve.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. 225 watts
B. 45 watts
C. 270 watts
D. 405 watts