Solve the inequality and graph. Express your answer in interval notation.-3(3x - 2) < -12x - 21
A. (-9, ?)
B. [-9, ?)
C. (-?, -9]
D. (-?, -9)
Answer: D
Mathematics
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? = central angle of a circle, r = radius of the circle, s = length of the intercepted arc, 
speed, 
speed, and t = time. Find the missing quantity. Give an exact answer unless otherwise indicated.r = 0.4 meter, ? = 78°, s = ?
Round your answer to three decimal places when necessary.
A. 0.294 m B. 0.545 m C. 31.2 m D. 3.403 m
Mathematics
Find the domain of the function.
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Mathematics
Find the missing complex number.
= 7 + 4i
A. 4 + 58i B. 52 + 26i C. 4 - 58i D. 24i2 + 58i + 28
Mathematics
Solve the system of equations.
A. x = -3z - 5 y = z + 2 z = any real number B. inconsistent (no solution) C. x = z - 2 y = -3z - 5 z = any real number D. x = 3z + 5 y = z - 2 z = any real number
Mathematics