There are 12 signs of the Zodiac: Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius, and Pisces. Each sign corresponds to a different calendar period of approximately 1 month. Assuming that a person is just as likely to be born under one sign as another, what is the probability that in a group of five people at least two of them were born under the sign of Aries?
a. 0.749
b. 0.686
c. 0.712
d. 0.059
e. 0.007
f. 0.026
d. 0.059
Mathematics
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By graphing the function, visually estimate its domain and range.t(x) = 
A. Domain: [4, ?); range: [4, ?) B. Domain: (-?, 4]; range: (-?, 4] C. Domain: (-?, ?); range: (-?, ?) D. Domain: (-?, 4]; range: [0, ?)
Mathematics
Determine whether the basic feasible solution corresponding to the given tableau is optimal. x1 x2 x3 x4 x5 M
A. Optimal B. Not optimal
Mathematics
Determine whether the parabola opens upward or downward.y = 3x2 - 2x - 7
A. upward B. downward
Mathematics
Solve the problem.During a period of much rain, the water level in a river rose 4 inches each day for 2 straight days. How much higher was the river at the end of this period?
A. 6 inches B. 8 inches C. -8 inches D. -6 inches
Mathematics