Find all solutions to the triangle described below.
?
m, 
m
?
Apply the rules regarding the use of significant digits to each angle and length after all computations are complete.
?
A. 
m
B. 
? m or 
m
C. 
? m
D. 
? m or 
m
E. no solution
Answer: D
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Evaluate the integral.
A. sin-1 (x + 2) + C
B. (2x + 4) ln |x2 + 4x + 20| + C
C. 
tan-1 
+ C
D. 
sin-1 
+ C
Solve the problem.The equation P = IV cos ? gives the power (in watts) absorbed in an ac circuit. Find ? when P = 110 W, V = 120 V, and I = 1.6 A. Round results to an appropriate number of significant digits.
A. 35° B. 61° C. 55° D. 50°
Solve the system by graphing. Check the coordinates of the intersection point in both equations.y = -x - 52y - 5x = 4
A. {(0, -5)} B. {(-1, -1)} C. {(0, 2)} D. {(-2, -3)}
Find the average value of the function f over the given region.f(x, y) = 
over the region bounded by 
, 
, 
, and 
.
A. 
ln 2
B. ln 2
C. 
ln 2
D. 6 ln 2