Tell whether the relation is reflexive, symmetric, or transitive on the set of all people. Also tell whether the relation is an equivalence relation."Is a sibling of"
A. Reflexive and symmetric; not an equivalence relation
B. Reflexive, symmetric and transitive; equivalence relation
C. Symmetric and transitive; not an equivalence relation
D. Reflexive and transitive; not an equivalence relation
Answer: C
Mathematics
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Graph the polar equation.r = 3?, ? ? 0
A. 
B. 
C. 
D. 
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Find the center and the radius of the circle.(x + 4)2 + y2 = 64
A. (-4, 0), r = 8 B. (0, 4), r = 8 C. (0, -4), r = 64 D. (4, 0), r = 64
Mathematics
Write the prime factorization of the number.177
A. 3 × 57 B. 32 C. 32 × 59 D. 3 × 59
Mathematics
Find the polar equation of the conic with focus at the pole, having the given properties. Identify the conic.Directrix x = 6, eccentricity 1
A. r= 
, hyperbola
B. r = 
, parabola
C. r = 
, parabola
D. r = 
, ellipse
Mathematics