Rationalize the denominator of the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: D
Mathematics
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Solve the equation.2x = 
A. 
B. {-4}
C. {4}
D. 
Mathematics
Translate the phrase into a mathematical expression. If needed, use x to represent "a number."The sum of -36 and a number.
A. -36 B. -36x C. -36 - x D. -36 + x
Mathematics
Solve the problem.A ball is dropped from a height of 9 meters and returns to about 6/7 of its previous height on each bounce. About how far will the ball travel before it comes to rest?
A. 63 m B. 225 m C. 117 m D. 171 m
Mathematics
Factor completely.u2 - 4uv - 45v2 = (u + 5v)( 
)
A. u + 9v2 B. u + 9v C. u - 9v D. u - 9
Mathematics