Determine whether the two pairs of numbers are proportional.12.56, 3.14 and 3.14, 0.785
A. Yes
B. No
Answer: A
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Determine if the following is a linear equation in one variable. If not, state why not.12x + 27 = 3x - 45
A. It is a linear equation in one variable. B. It is not a linear equation in one variable because it has more than one variable. C. It is not a linear equation in one variable because it is nonlinear. D. It is not a linear equation in one variable because it is not an equation.
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.7 ln(x - 4) - 2 ln x
A. ln x2(x - 4)7
B. ln 
C. ln 
D. ln 14x(x - 4)
Provide an appropriate response.Tell whether the statement is true or false. If it is false, give the correct answer. Explain your answer. The easiest way to simplify the expression 
is to multiply both the numerator and denominator by 1 + 
What will be an ideal response?
Solve the compound inequality. Graph the solution set and write the solution in interval notation.x ? 3 and x ? -1
A. (-?, -1] ? [3, ?)
B. [-1, 3]
C. (-1, 3)
D. ?