Graph the equation by plotting points.y = -x2 + 1
A. 
B. 
C. 
D. 
Answer: B
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Provide an appropriate response.How many real solutions are possible for a system of equations whose graphs are a parabola and a circle?
A. 1, 2, 3, or 4 solutions B. 0, 1, 2, or 3 solutions C. 0, 1, 2, 3, 4, or 5 solutions D. 0, 1, 2, 3, or 4 solutions
Find the indicated probability. Round your answer to 6 decimal places when necessary.If a person is randomly selected, find the probability that his or her birthday is not in May. Ignore leap years.
A. 
B. 
C. 
D. 
Solve the problem.Suppose that an honest coin is tossed ten times. What is the probability that at least twice it comes up heads?
A. 
B. 
C. 
D. 
E. none of these
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.csc ? = 
, 
< ? < ?Find cos(2?).
A. 
B. - 
C. 
D. - 