Express as a single logarithm and, if possible, simplify.logb x5 - 2logb 
A. logb x4
B. 
C. logb x6
D. logb (x5 - x)
Answer: A
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Solve the problem.Approximately 4 × 103 employees of a certain company average $30,000 each year in salary. Write the total amount earned by all the employees of this company per year in scientific notation.
A. $1.2 × 109 B. $1.2 × 108 C. $12 × 109 D. $12 × 108
Find the solution set in the real numbers.6(2w - 7) = 4(3w + 5)
A. 62 B. No solution C. All real numbers D. 0
A waste water system is being installed in a small town.The large pipes required to reach from the town to the water treatment plant come in 20-foot and 24-foot lengths. The city planner finds that twelve fewer of the 24-foot pipes will be required than if the 20-foot pipes were used. What is the distance from the town to the water treatment plant?
What will be an ideal response?
Factor.125x9 + 8y6
A. ( 5x3 - 2y2)(25x2 + 10x3y2 + 4y4b2) B. ( 5x3 + 2y2)(25x6 - 10x3y2 + 4y4) C. ( 5x3 + 2y2)(25x6 + 10x3y2 + 4y4) D. ( 5x3 - 2y2)( 5x3 + 2y2)