Simplify the expression without a calculator.4
0
A. 
B. 0
C. 4
D. 1
Answer: C
Mathematics
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Graph the fraction on a number line.- 
A. 
B. 
C. 
D. 
Mathematics
Find the center of the ellipse. 4(x + 5)2 + 9(y + 2)2 = 36
A. (-2, -5) B. (4, 9) C. (5, 2) D. (-5, -2)
Mathematics
Solve the system of equations using Cramer's rule. 8x - 3y + 6z = 65 2x + 7y - 5z = -158x - 2y + 2z = 42
A. (1, 6, 1) B. (4, 1, 6) C. (5, -1, 6) D. (4, -1, -6)
Mathematics
Use a calculator to give the real number value.sin-1(0.6561)
A. -0.71587301 B. 0.76825396 C. 0.715639280 D. 0.68095237
Mathematics