Express the vector as a product of its length and direction.
j - 2k
A. 
(j - k)
B. 
C. 
D. 
Answer: C
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Provide an appropriate response.Using the example of 9 ÷ 3 × 6, explain why the order of operations is important.
What will be an ideal response?
Use factoring techniques to solve the quadratic equation.x(x + 6) = 7x + 30
A. {-6, 5} B. {-5, 6} C. {-5, -6} D. {5, 6}
Solve the problem.A simple electrical circuit consists of a resistor connected between the terminals of a battery. The voltage V (in volts) is dropping as the battery wears out. At the same time, the resistance R (in ohms) is increasing as the resistor heats up. The power P (in watts) dissipated by the circuit is given by P = src="https://sciemce.com/media/4/ppg__10615191621__f1q4g5.jpg" style="vertical-align: -17.0px;" /> 
. Use the equation
= 
+ 
to find how much the power is changing at the instant when R = 4 ohms, V = 3 volts, 
and dV/dt = -0.08 volts/sec.
A. -0.15 watts
B. 0.15 watts
C. -0.09 watts
D. 0.09 watts
Solve. 18x + 4 = 6x + 6
C) x = 6
D) x = 7
E) x = 8