Solve the problem.Students in a math class took a final exam. They took equivalent forms of the exam in monthly intervals thereafter. The average score S(t), in percent, after t months was found to be given by 
What was the average score after 9 months?
A. 50.5%
B. 43.5%
C. 45.5%
D. 48.5%
Answer: C
Mathematics
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1.1 ÷ 0.02
A. 56 B. 44 C. 5.5 D. 55
Mathematics
Mathematics
Solve the equation by the method of your choice. Simplify irrational solutions, if possible.4x2 + 8x + 1 = 0
A. 
B. 
C. 
D. 
Mathematics
Factor the expression completely, if possible.z3 + 343
A. (z + 7)(z2 - 7z + 49) B. (z + 7)(z2 + 49) C. (z - 7)(z2 + 7z + 49) D. (z - 343)(z2 - 1)
Mathematics