Add.98 + (-87)
A. 185
B. -11
C. -185
D. 11
Answer: D
Mathematics
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Simplify.log2 22
A. 2log22 B. 2 C. 1 D. 22
Mathematics
Write the equation of the axis of symmetry.f(x) = 2x2 + 4x + 6
A. x = 1 B. x = -1 C. x = -4 D. x = 4
Mathematics
Find the product.(x + 8)(x - 8)
A. x2 - 16x - 64 B. x2 - 16 C. x2 - 64 D. x2 + 16x - 64
Mathematics
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. 63 watts
B. 147 watts
C. 126 watts
D. 21 watts
Mathematics