Solve the problem.Jill is 14 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 1.5 kilometers per hour. They meet in 4 hours. How fast is Joe walking?
A. 1.5 km/hr
B. 3 km/hr
C. 2 km/hr
D. 4 km/hr
Answer: C
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Provide an appropriate response.What does the graph of the equation 
look like?
A. A sphere B. A cylinder C. A line D. A plane
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
Perform the indicated operation. Write the answer in simplest form.
? 
A. 
B. 
C. 
D. 
Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.The national debt of a small country is $6,760,000,000 and the population is 2,737,000. What is the amount of debt per person?
A. $24.70 B. $2.47 × 103 C. $2.47 D. $2.47 × 106