Perform the indicated operation. Write the answer in standard form.2i(4 - 6i)
A. 8i + 12i2
B. 12 + 8i
C. 8i - 12
D. 8i - 12i2
Answer: B
Mathematics
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Solve the system using the matrix inverse method.-4x + y - 3z - w = -4-x + 3y + z - 4w = -153x - 3y - 4z + w = 4-3x - y - z - 4w = -3
A. {(-1, 3, -1, -2)} B. {(-1, -3, 1, 2)} C. ? D. {(1, -1, 3, 4)}
Mathematics
Find the measure of the angle.
?EGA
A. 130° B. 140° C. 135° D. 145°
Mathematics
Write the inequality in interval notation and graph on a real number line.-3 < x ? 1
A. [-3, 1)
B. [-3, 1]
C. (-3, 1)
D. (-3, 1]
Mathematics
Simplify the expression.-8 + 3 - 11
A. 16 B. -16 C. 0 D. 6
Mathematics