Simplify the expression. Write with only positive exponents. Assume that variables represent positive real numbers.
-3
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Evaluate the integral.
A. - 
B. 
C. 
D. 
Mathematics
Write the inequality in interval notation.x ? -7
A. (-7, ?) B. (-?, -7) C. [-7 ?) D. (-?, -7]
Mathematics
Find the LCD for the rational expression.
, 
A. 8x(x + 1) B. 8x2(x + 1) C. 8(x + 1) D. 64x2(x + 1)
Mathematics
Find an equation for the line. Then write your answer in the form 
Through (5, -4) and (-2, -8)
A. y = - 
x - 
; 4x + 7y + 48 = 0
B. y = - 
x - 5; 9x + 6y + 30 = 0
C. y = 
x - 5; 9x - 6y - 30 = 0
D. y = 
x - 
; 4x - 7y - 48 = 0
Mathematics