Solve the problem.The power P (in W) generated by a particular windmill is given by P = 0.015 V3 where V is the velocity of the wind (in mph). Find the instantaneous rate of change of power with respect to velocity when the velocity is 14.1 mph.
A. 84.1 W/mph
B. 8.9 W/mph
C. 0.6 W/mph
D. 19.9 W/mph
Answer: B
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Let x represent the number. Use the given conditions to write an equation. Solve the equation and find the number.The graph shows the number of people in Country A without health insurance from year 0 through year 3. 
In year 0, there were 25 million people in Country A without health insurance. This number has increased at an average rate of 4.1 million people per year. In what year will the number of people in Country A without health insurance first reach 100 million?
A. year 21 B. year 18 C. year 19 D. year 20
Convert the volume as indicated.0.317 hectoliters to liters
A. 3.17 L B. 0.0317 L C. 31.7 L D. 317 L
Solve the problem.A ball is thrown downward from a window in a tall building. Its position at time t in seconds is 
where s is in feet. How long will it take the ball to fall 174 feet?
A. 5.8 sec B. 2.4 sec C. 3.3 sec D. 2.2 sec
Evaluate the expression for the given replacement values.yz for y = -0.4, z = 9.6
A. 38.4 B. -3.84 C. -38.4 D. 3.84