Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. -14
B. -5
C. 0
D. 1
Answer: D
Mathematics
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Find an equation of a parabola satisfying the given conditions.Focus at (-4, 0), directrix x = 4
A. y2 = 16x
B. 16y = x2
C. y = - 
x2
D. x = - 
y2
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Set up an integral for the length of the curve.y = 
, 
? x ? 
A. 
B. 
C. 
D. 
Mathematics
Write the fraction as a decimal.
A. 0.865 B. 0.875 C. 0.965 D. 0.765
Mathematics
Add.54 hours + 26 hours + 91 hours
A. 181 hours B. 161 hours C. 271 hours D. 171 hours
Mathematics