Solve the problem.A quiz has 17 problems. The total point value of the quiz is 65 points. If each multiple-choice problem is worth five points and each true-false problem is worth three points, how many of each kind of problem does the quiz have?
A. 7 multiple-choice and 10 true-false problems
B. 8 multiple-choice and 9 true-false problems
C. 6 multiple-choice and 11 true-false problems
D. 5 multiple-choice and 12 true-false problems
Answer: A
Mathematics
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+ 
= 
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A. (x2 - 9)(x2 - 9) B. (x2 + 9)(x + 3)(x - 3) C. (x2 + 9)(x2 + 9) D. prime
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Use the quadratic formula to find all real solutions of the equation.
A. 
B. 
C. 
D. 
E. no real solutions
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Solve.Fred has taken four exams so far in his Chemistry course. His scores are 86, 85, 76, and 92. What is the average of these scores?
A. 84.75 B. 87.75 C. 169.5 D. 80.75
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