Simplify the expression.
- 5
A. -3
B. -23
C. 6 - 25
D. 4 - 25
Answer: B
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Solve for the variable.-8(x - 6) - (-9x - 5) = -9
A. x = 8 B. x = 62 C. x = 44 D. x = - 62
Find the greatest common factor, GCF, of the expressions.x6y9, x5y8, xy9, x2y6
A. x2y2 B. x2y6 C. xy6 D. xy
Find the range of the quadratic function in interval notation.f(x) = -(x + 2)2 + 5
A. (-?, 2] B. [-2, ?) C. (-?, 5] D. [5, ?)
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. 432 watts
B. 72 watts
C. 576 watts
D. 648 watts