Simplify the expression.ln (e10x)
A. 10
B. e10
C. 
D. 10x
Answer: D
Mathematics
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Use factoring techniques to solve the equation.x3 = 25x
A. {0, 25} B. {0, 5} C. {-5, 5} D. {-5, 0, 5}
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Find the center and radius of the circle.x2 + 10x + y2 + 16y + 25 = 0
A. (5, 8), r = 64 B. (5, 8), r = 8 C. (-5, -8), r = 64 D. (-5, -8), r = 8
Mathematics
For the proportion, find the unknown number n.
= 
A. 5 B. 4 C. 7 D. 3
Mathematics
Use a graphing utility to find or approximate solutions to the equation. If necessary, round your answers to three decimal places.x2 + 6x - 72 = 0
A. 12, -6 B. 12, 6 C. -12, 6 D. -12, 1
Mathematics