Use a calculator to evaluate the expression. Round the answer to three decimal places.(-1.57)-5
A. -0.105
B. 9.539
C. 0.105
D. -9.539
Answer: A
Mathematics
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Write the expression in the standard form a + bi.i8
A. -i B. i C. -1 D. 1
Mathematics
Graph the ellipse.25x2 + 36y2 = 900
A. 
B. 
C. 
D. 
Mathematics
Apply row operations to the augmented matrix to find the solution to the linear system.
A. x = 2, y = -1, z = 4 B. x = 2, y = 1, z = 6 C. x = 2, y = -1, z = 0 D. x = -1, y = 2, z = 1
Mathematics
Find all real solutions of the polynomial equation x4 - 7x3 + 42x - 36 = 0. ? ?
A. x = 1, 6, 
B. x = 1, 36
C. x = 1, 
D. x = 1, -7, -6
E. x = 1, -36, 12
Mathematics