Solve the equation. Express irrational answers in exact form and as a decimal rounded to 3 decimal places.ln x + ln (x + 4) = 1
A. 
? 2.326
B. 
? 0.592
C. 
? -4.592
D. -4 + 
? 1.184
Answer: B
Mathematics
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Solve the equation 
. Restrict your attention to the horizontal span of 0 to 10. Round your answer to two decimal places if necessary.
?
A. 3.09 B. 1.62 C. 1.69 D. 3.47
Mathematics
Solve the quadratic equation by completing the square.x2 + 10x + 15 = 0
A. {5 - 
, 5 + 
}
B. {-10 + 
}
C. {-5 - 
, -5 + 
}
D. {5 + 
}
Mathematics
Find the circumference of the circle with the given radius or diameter.r = 92.9 cm
A. 292 cm B. 583.7 cm C. 584 cm D. 27,110 cm
Mathematics
Simplify the expression. Assume that all variables are positive and write your answer in radical notation.
? 
A. 
B. 
C. 
D. 
Mathematics