Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.
-5
A. 
B. - 
C. - 
D. 
Answer: B
Mathematics
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Simplify.-6(x + 2)
A. -6x - 2 B. 6x - 12 C. -6x + 12 D. -6x - 12
Mathematics
Find the center (h, k) and radius r of the circle. Graph the circle.x2 + y2 - 2x - 12y + 21 = 0 
A. (h, k) = (-1, 6); r = 4
B. (h, k) = (1, -6); r = 4
C. (h, k) = (1, 6); r = 4
D. (h, k) = (-1, -6); r = 4
Mathematics
Decompose into partial fractions.
A. - 
+ 
+ 
B. - 
+ 
+ 
C. - 
- 
+ 
D. 
+ 
- 
Mathematics
Use inequality symbols to rewrite the statement. Let x represent the unknown.When a baseball player is in a slump, he may get fewer than 5 hits in 30 times at bat. Let x represent the number of hits.
A. x < 30
B. 5 < x < 30
C. x < 5
D. x > 
Mathematics