Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this.ln (x - 3) + ln (x + 5) = ln 20
A. -7, 5
B. -5, 7
C. 7
D. 5
Answer: D
Mathematics
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Solve using the quadratic formula.4x2 + 10x = - 1
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Mathematics
Evaluate the logarithm.ln e8
A. 8 ln e B. 8 C. e8 D. 1
Mathematics
Write your answer in lowest terms.The Brown family traveled 100 miles on a trip this summer. 30 miles of their trip was by train. What fraction of the trip was by train?
A. 
B. 100
C. 
D. 
Mathematics
Find the center and the radius of the circle.x2 + y2 - 4x + 10y = -13
A. (5, -5); r = 4 B. (2, -5); r = 6 C. (2, -4); r = 4 D. (2, -5); r = 4
Mathematics