Four basketball teams called A, B, C, and D are entered in a tournament. According to the odds makers, the probability that team A will win the tournament is Pr(A) = 0.1, and the other three teams all have an equal probability of winning the tournament.What is the probability that team D will win the tournament?
A. 0.9
B. 0.3
C. 0.45
D. 0.25
E. none of these
Answer: B
Mathematics
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Find a polynomial function of lowest degree with rational coefficients that has the given numbers as some of its zeros.5i, 
A. f(x) = x4 + 20x2 - 125 B. f(x) = x4 + 40x2 + 125 C. f(x) = x4 - 20x2 - 125 D. f(x) = x4 - 40x2 + 125
Mathematics
Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 7
B. 7
C. 
D. 
Mathematics
Find the area.
All segments are of equal length
A. 2116 ft2 B. 276 ft2 C. 1587 ft2 D. 2645 ft2
Mathematics
Refer to this figure to answer the question. Assume 
and 
are parallel.
Are ?CDA and ?DHI supplementary?
A. No B. Yes
Mathematics