Simplify the expression.
A. 1
B. 1 - x2
C. 
D. 
Answer: C
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Factor by grouping.20x6 + 16x3y4 - 15x3y4 - 12y8
A. (4x3 - 3y)(5x3 + 4y8) B. (20x3 - 3y4)(x3 + 4y4) C. (4x3 + 3y4)(5x3 - 4y4) D. (4x3 - 3y4)(5x3 + 4y4)
Solve the absolute value inequality. Write your answer in interval notation.|2k + 6| + 3 > 10
A. 
B. 
C. 
? 
D. 
The table gives the winner of the weekly gymnastics competition for the first eight weeks of the season. 
Make a list of the leading averages in order from least to greatest for the weeks shown.
What will be an ideal response?
Solve the problem.A bacterial culture has an initial population of 10,000. If its population declines to 7000 in 4 hours, what will it be at the end of 6 hours? Assume that the population decreases according to the exponential model.
A. 1500 B. 5857 C. 8156 D. 2929