Use the rules of exponents to simplify the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: A
Mathematics
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Add or subtract as indicated.(-3a + 5b - c) - (7b - 6c - 3d)
A. -3a - 2b - 7c + 3d B. -3a - 2b + 7c + 3d C. -3a - 2b + 5c + 3d D. -3a - 2b + 5c - 3d
Mathematics
Use integration to find the area of the triangle with the given vertices. (0, 0), (1, 7), (4, 2)
Select the correct answer. a. 13/2 b. 26 c. 28 d. 13
Mathematics
Multiply. Assume that all variables represent non-negative real numbers.(
- 
)2
A. x - 2
+ 4
B. x - 2
+ 2
C. x + 2
+ 2
D. x2 - 2x
+ 2
Mathematics
Determine if the two fractions are equivalent.
and 
A. equivalent B. not equivalent
Mathematics