Determine the sum of the measures of the interior angles of the specified polygon.A decagon
A. 1620°
B. 1440°
C. 2160°
D. 1800°
Answer: B
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Use the given transformation to evaluate the integral. src="https://sciemce.com/media/4/ppg__tttt0610191318__f1q181g7.jpg" alt="" style="vertical-align: -4.0px;" />
where R is the trapezoid with vertices at 
A. 
sin 1
B. 
sin 1
C. 
sin 2
D. 
sin 2
Solve the problem.The area A = ?r2 of a circular oil spill changes with the radius. To the nearest tenth of a square foot, how much does the area increase when the radius changes from 5 ft to 5.1 ft?
A. 31.4 ft2 B. 2.0 ft2 C. 3.1 ft2 D. 15.7 ft2
Find the area of the circle.A circle with radius 3.76 cm
A. 44.4 cm2 B. 23.6 cm2 C. 47.2 cm2 D. 178 cm2
Solve the problem.The growth rate of a certain tree (in feet) is given by y = 
+ e-t2/2 , where t is time in years. Estimate the total growth of the tree through the end of the second year by using Simpson's rule. Use 2 subintervals. Round your answer to the nearest hundredth.
A. 2.34 ft B. 3.41 ft C. 5.11 ft D. 3.68 ft