Solve the problem.A recipe calls for 6 ounces of unsweetened chocolate for 18 brownies. How much of unsweetened chocolate is needed to make 24 brownies?
A. 
oz
B. 
oz
C. 144 oz
D. 8 oz
Answer: D
Mathematics
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Find the conjugate of each complex number.-1 - j
A. -1 + j B. No conjugate. C. 1 - j D. 1 + j
Mathematics
Simplify
Mathematics
Use the given conditions to find an equation in slope-intercept form of each of the nonvertical lines. Write vertical lines in the form x = h.Parallel to y = 0; passing through (-2, 9)
A. y = 9 B. y = 2 C. x = -9 D. x = -2
Mathematics
Solve the quadratic equation by completing the square.x2 + 12x = -21
A. {6 - 
, 6 + 
}
B. {6 + 
}
C. {-6 - 
, -6 + 
}
D. {-12 + 
}
Mathematics