Simplify.(4x4y)(5x3y4)(0)
A. 1
B. 20x7y5
C. 20x5y4
D. 0
Answer: D
Mathematics
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Find the area of the shaded region. y = sec2 x
A. 2 - 
B. 
C. 1 - 
D. 1 + 
Mathematics
Add.
A. 117,395 B. 122,396 C. 137,395 D. 127,395
Mathematics
Find the center and radius of the circle whose graph is shown. Write the standard form of the equation of the circle.
A. r = 
; (h, k) = (-4, 2); (x + 4)2 + (y - 2)2 = 5
B. r = 5; (h, k) = (-4, 2); (x + 4)2 + (y - 2)2 = 25
C. r = 5; (h, k) = (-4, 2); (x - 4)2 + (y + 2)2 = 25
D. r = 
; (h, k) = (-4, 2); (x - 4)2 + (y + 2)2 = 5
Mathematics
Find the center and radius of the circle.x2 + (y - 6)2 = 81
A. (0, 6); 9 B. (0, -6); 9 C. (-6, 0); 81 D. (6, 0); 81
Mathematics