Use the properties of logarithms and the logarithm property of equality to solve the logarithmic equation.ln x - ln(x - 9) = ln 5
A. {-4}
B. 
C. 
D. ?
Answer: B
Mathematics
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Solve the right triangle.a = 2.6 cm, b = 1.3 cm, C = 90°Round values to one decimal place.
A. A = 58.9°, B = 31.1°, c = 2.9 cm B. A = 30.0°, B = 60.0°, c = 3.9 cm C. A = 63.4°, B = 26.6°, c = 2.9 cm D. A = 26.6°, B = 63.4°, c = 2.9 cm
Mathematics
Solve the system of equations by graphing.
A. no solution B. (2, 1) C. (1, 2) D. (1, -2)
Mathematics
Solve the problem.A spinner has regions numbered 1 through 18. What is the probability that the spinner will stop on an even number or a multiple of 3?
A. 1
B. 
C. 
D. 15
Mathematics
Simplify.
A. 4x
B. 16x
C. 16x
D. 4x2
Mathematics