Perform the indicated operations and simplify the result. Leave the answer in factored form.
? 
A. 
B. 
C. 
D. 
Answer: B
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 
B. -4
C. 2
D. - 
Solve.
= 
+ 4
A. 
, 
B. 
C. - 
, 2
D. empty set
Write the decimal in words.4.00695
A. four and six hundred ninety-five millionths B. four and six hundred ninety-five thousandths C. four and six hundred ninety-five tenths D. four and six hundred ninety-five hundred thousandths
Identify the conic that the polar equation represents. Also, give the position of the directrix.r = 
A. ellipse, directrix is perpendicular to the polar axis at a distance 
units to the right of the pole
B. hyperbola, directrix is perpendicular to the polar axis at a distance 
units to the left of the pole
C. hyperbola, directrix is perpendicular to the polar axis at a distance 3 units to the right of the pole
D. ellipse, directrix is perpendicular to the polar axis at a distance 3 units to the left of the pole