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 3 units to the right of the pole
C. hyperbola, directrix is perpendicular to the polar axis at a distance 
units to the left of the pole
D. ellipse, directrix is perpendicular to the polar axis at a distance 3 units to the left of the pole
Answer: C
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Convert the number to the indicated base.123five to base nine
A. 24nine B. 38nine C. 42nine D. 14nine
Perform the indicated operation.9 tons 506 lb - 4 tons 871 lb
A. 5 tons 1635 lb B. 5 tons 365 lb C. 4 tons 1635 lb D. 13 tons 1377 lb
Multiply the polynomials. Express the answer as a single polynomial in standard form.(7x + 8y)2
A. 7x2 + 112xy + 64y2 B. 49x2 + 112xy + 64y2 C. 7x2 + 64y2 D. 49x2 + 64y2
Determine whether B is the inverse of A.A = 
, B = 
A. Yes B. No