Solve the equation.log (5) - log x = log (x - 4)
A. x = 5, x = -1
B. x = -1
C. x = 5
D. x = 
Answer: C
Mathematics
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Estimate. Then find the actual quotient.
A. Estimate: 0; Actual: undefined B. Estimate: 657,741; Actual: 657,741 C. Estimate: 0; Actual: 0 D. undefined
Mathematics
Simplify the expression involving rational exponents.- 
1/2
A. Not a real number
B. - 
C. 
D. - 
Mathematics
If n is any natural number, find the number which is divisible by 5. ?
A. 
B. ?
C. ?
D. ?
E. none of these
Mathematics
Factor by grouping. Assume any variable exponents represent whole numbers.ab - 9c - ac + 9b
A. (b + c)(a + 9) B. (b - c)(a - 9) C. (b + c)(a - 9) D. (b - c)(a + 9)
Mathematics