Find the probability of the event.If 8 coins are flipped, what is the probability of getting 3 or more heads?
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Determine whether the graph has an Euler path that begins and ends at different vertices. If the graph has such a path, say at which vertices the path must begin and end.
A. No B. Yes; E and F C. Yes; E and H D. Yes; A and H
Mathematics
Simplify. Assume that each variable is nonnegative.
? 
A. 9
B. 9
C. 9x2
D. 9x
Mathematics
Find the number of x-intercepts for the function. f(x) = 5x2 - 3x + 7
A. One B. Two C. None
Mathematics
Simplify.
-4
A. -81mn
B. - 
C. 81
D. 
Mathematics