Determine which of the lines L1, L2, and L3 are 
.
A. 
and 
B. 
and 
C. none are perpendicular
D. 
and 
E. all are perpendicular
Answer: A
Mathematics
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Completely factor the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
List all of the Hamilton circuits for the graph that start with the indicated vertices.
Starting C ?B ? F ? D
A. C ?B ? F ? D ? A ? E C ?B ? F ? D ? E ? A B. C ?B ? F ? D ? A ? E ? C C ?B ? F ? D ? E ? A ? C C. C ?B ? F ? D ? A ? E ? C C ?B ? F ? D ? C ? A ? E C ?B ? F ? D ? A ? C ? E C ?B ? F ? D ? C ? E ? A D. C ?B ? F ? D ? A ? E C ?B ? F ? D ? E ? A C ?B ? F ? D ? A ? C C ?B ? F ? D ? C ? E
Mathematics
Graph the polar equation for ? in [0°, 360°).r = 6 + 6 sin ?
A. 
B. 
C. 
D. 
Mathematics
Determine whether the ordered pair is a solution for the equation.(4, 5); x + y = 9
A. Yes B. No
Mathematics