Simplify the complex rational expression.
A. 
B. 
C. 
D. 4x3
Answer: B
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Check to see if the given number is a solution for the equation.3 - (x + 3) = 3(4x - 4); check x = 
A. 
is not a solution.
B. 
is a solution.
Multiply.-5x(-11x - 9)
A. 100x2 B. 55x2 - 9x C. -11x2 + 45x D. 55x2 + 45x
Rewrite the given expression as a single logarithm. Assume that all variables are defined in such a way that variable expressions are positive and bases are positive numbers not equal to 1.log713 - log7a
A. log7
B. log14
C. log7
D. log7(13 - a)
Solve the problem.Annica owes $389.09 on her charge card. She returns for credit items costing $35.68 and $46.92. She makes a purchase for $45.94 and additional purchases of $36.97, $116.91, and $113.82. She then makes a payment of $394.11. Find the amount she now owes.
A. $386.96 B. $391.22 C. $226.02 D. $552.16