Solve.A bag contains 15 balls numbered 1 through 15. What is the probability of selecting a ball that has an even number when one ball is drawn from the bag?
A. 
B. 
C. 7
D. 
Answer: D
Mathematics
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Solve the problem.In 9 weeks, the value of Bob Treatman's day trading account decreased by $207. What was the average weekly change in the value of the account?
A. -$29 per week B. $21 per week C. -$25 per week D. -$23 per week
Mathematics
Use a grapher to find the vertex, rounding to the nearest hundredth when necessary.f(x) = -5x2 - 4x + 5
A. (0.4, 5.8) B. (2, 5.8) C. (-0.4, 5.8) D. (-0.4, 4.2)
Mathematics
Write the augmented matrix for the system. 2x + 3z = 5 4y + 8z = 12 9x + 5y + 5z = 56
A. 
B. 
C. 
D. 
Mathematics
Write the expression in condensed form.log3 (11) - log3 (x)
A. log3 
B. log6 
C. log3 (11 - x)
D. log3 
Mathematics