Solve the equation for the indicated variable. (Leave ± in your answer, when appropriate.)x = ± 
for r
A. r = ± 
B. r = ± 
C. r = x + y
D. r = ± 
Answer: A
Mathematics
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= sin2 ? by expressing each function in terms of its x, y, and r definition.
What will be an ideal response?
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Solve the inequality, then graph the solution.f - 1 < 11
A. (-?, 12)
B. (-?, 12]
C. (12, ?)
D. [12, ?)
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Write the fraction.Of the 208 students at a high school, 34 are seniors. What fraction of the students are NOT seniors?
A. 
B. 
C. 
D. 
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Find the exact value. Do not use a calculator.csc 
A. 
B. 
C. 2
D. 
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