Factor out the variable that is raised to the smaller exponent.x-6 - 7x-9
A. x-9(x-3 - 7)
B. x-9(x3 + 7)
C. x-9(x3 - 7)
D. x-9(7x3)
Answer: C
Mathematics
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Solve the inequality. Graph the solution set, and state the solution set in interval notation.|x - 8| + 1 ? 5
A. [4, 12]
B. (4, 12)
C. [12, ?)
D. (-?, 4] ? [12, ?)
Mathematics
Find the greatest common factor, GCF, of the expressions.x6y9, x5y8, xy9, x2y6
A. x2y2 B. x2y6 C. xy6 D. xy
Mathematics
Perform the indicated operation and write the answer in lowest terms.
+ 
A. 
B. 
C. 
D. 
Mathematics
Use properties of rational exponents to simplify the expression. Assume that any variables represent positive numbers.(r1/9 s1/9)2
A. r1/81 s1/81 B. r2s2 C. r2/9 s2/9 D. r1/18 s1/18
Mathematics