Solve the quadratic equation by completing the square.x2 + 14x + 39 = 0
A. {-14 + 
}
B. {7 ± 
}
C. {7 + 
}
D. {-7 ± 
}
Answer: D
Mathematics
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The two figures are congruent. Find the measure of the requested side or angle.The length of 
A. 
= 23
B. 
= 20
C. 
= 10
D. 
= 13
Mathematics
Perform the requested operation on the given function.f(x) = 
, g(x) = 
Find (fg)(x).
A. (4x + 2)(4x - 25)
B. (
)(
)
C. (4x + 2)(2x - 5)
D. (2x - 5)(
)
Mathematics
Solve. Express your answer as a signed number.The population of a certain city decreased by 24,883 in 10 years. Find the average annual change in population.
A. -248.83 per year B. 248.83 per year C. -2488.3 per year D. 2488.3 per year
Mathematics
Solve the equation.
n = 
n - 
A. 1
B. - 
C. 
D. - 1
Mathematics