Determine independence. Answer Yes or No.A group of 25 people contains 10 brunettes, 8 blondes, and 7 redheads. Of the 20 girls in the group, 8 are brunettes, 6 are blondes, and 6 are redheads. A person is selected at random. Are the events of being a girl and having brown hair independent?
A. Yes
B. No
Answer: A
Mathematics
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Use the discriminant to determine the number and type of the solutions to the quadratic equation. Do not solve the equation.6x2 - 5x = -8
A. exactly one real solution B. two real solutions C. two nonreal solutions
Mathematics
Find the first term and the common ratio of the geometric sequence.-3, -9, -27, -81, -243, . . .
A. a1 = 3, r = -9
B. a1 = 3, r = -3
C. a1 = -3, r = 3
D. a1 = -3, r = 
Mathematics
Evaluate the sum. Round to the nearest hundredth, if necessary. 
A. 2 B. -62 C. 54 D. 62
Mathematics
Solve the rational equation. If there is no solution, state this as your answer.
= 
A. {7}
B. 
C. no solution
D. 
Mathematics