Solve the problem.Find two supplementary angles such that the first angle is 9° more than 2 times the second.
A. 57°; 123°
B. 123°; 57°
C. 60°; 120°
D. 27°; 63°
Answer: B
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Answer the question.Is f continuous at x = 0? 
A. Yes B. No
Elizabeth is taking a test containing 6 True/False questions and 11 Multiple Choice questions with one correct answer out of 4 choices. If Elizabeth fills out the answer sheet randomly, what is the probability she gets a perfect score? Assume she answers every question and does not skip any. ?
A. 
B. ?
C. ?
D. ?
E. ?
Use algebra to find the value of a in the triangle, when 
.
?
?
A. 
B. 
C. 
D. 
E. 
Find the vertices and foci of the given ellipse.5x2 + 7y2 = 15
A. Vertices: (
, 0) and (-
, 0);
Foci: 
and 
B. Vertices: (0, 3) and (0, -3);
Foci: 
and 
C. Vertices: (
, 0) and (-
, 0);
Foci: 
and 
D. Vertices: (0, 
) and (0, -
);
Foci: 
and 