Solve the problem.The population of coyotes in the northwestern portion of Alabama is given by the formula 
, where t represents the time in years since 2000 (the year 2000 corresponds to 
Find the rate of change of the coyote population in 2012 (t = 12).
A. 156 coyotes/year
B. 81 coyotes/year
C. 17 coyotes/year
D. 63 coyotes/year
Answer: B
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Find the volume of the described solid.The base of a solid is the region between the curve y = 5cos x and the x-axis from x = 0 to x = ?/2. The cross sections perpendicular to the x-axis are squares with diagonals running from the x-axis to the curve.
A. 6?
B. 
?
C. 
?
D. 
?
Provide an appropriate response.Find the hypotenuse of a right triangle whose legs measure 5 and 12 m.
Fill in the blank(s) with the appropriate word(s).
Solve the problem.An airplane flies on a compass heading of 90.0° at 310 mph. The wind affecting the plane is blowing from 332° at 40.0 mph. What is the true course and ground speed of the airplane? Round results to an appropriate number of significant digits.
A. 87°, 346 mph B. 96°, 345 mph C. 87°, 329 mph D. 96°, 331 mph
Multiply and simplify. Leave your answer in exponential notation.25 ? 28
A. 440 B. 240 C. 413 D. 213