Find the area of the geometric figure.
A. 18 sq in.
B. 81 sq in.
C. 13 sq in.
D. 36 sq in.
Answer: B
Mathematics
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Integrate the function f over the given region.f(x, y) = y2 ex4 over the triangular region in the first quadrant bounded by the lines 
and 
A. 
e
B. 27(e + 1)
C. 9(e - 1)
D. 
(e - 1)
Mathematics
Solve the system. x + y + z = -6 x - y + 2z = 72x + y + z = -10
A. (-4, 3, -5) B. (-4, -5, 3) C. (3, -5, -4) D. (3, -4, -5)
Mathematics
Simplify the expression.-4y2 + 10y2
A. -6y2 B. -6y4 C. 6y4 D. 6y2
Mathematics
Solve the problem.Find the length of the arc intercepted by a central angle of 
in a circle of radius 
Round to two decimal places, if necessary.
A. 21.26 ft B. 0.05 ft C. 10.59 ft D. 606.5 ft
Mathematics