Use the rules for exponents to rewrite the expression and then evaluate the new expression. (72)-1
A. 
B. - 
C. -14
D. -49
Answer: A
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Find an equation of a parabola satisfying the given conditions.Find the equation of the parabola with vertex at the origin and axis along the x-axis if the parabola passes through the point 
A. y2 = - 
x
B. x2 = 49y
C. x = 49y2
D. y2 = 49x
Express the given logarithm as a sum and/or difference of logarithms. Simplify, if possible. Assume that all variables represent positive real numbers.log5
A. 
log5r + 
log5s - 
log59
B. 
log5rs - 
log59
C. 
log5r ? 
log5s ÷ 
log59
D. 
log5r + 
log5s - log59
Use the square root property to solve the equation.x2 = 6
A. {36}
B. {-
, 
}
C. 
D. {
}
Refer to the table to answer the question. 
Which category and year represents the least change?
A. Catalog, 2008-2009 B. Catalog 2009-2010 C. Training 2008-2009 D. Sales, 2009-2010