For the given polar equation, write an equivalent rectangular equation.r cos ? = 13
A. y = 13
B. 13y = 1
C. 13x = 1
D. x = 13
Answer: D
Mathematics
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Use the line graph to answer the question.The line graph shows the 2001 sales data for the Big "D" company. 
Find the decrease in sales between month 3 to month 5.
A. $400 B. $2000 C. $1000 D. $4000
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Follow the order of operations to simplify the expression.
÷ 
A. 
B. 
C. 2
D. 
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Multiply.12x5(-10x4 + 6x3)
A. -120x9 + 6x3 B. -48x5 C. -48x9 - 48x8 D. -120x9 + 72x8
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Match the graph to one of the listed functions. 
A. f(x) = x2 - 2 B. f(x) = x2 - 2x C. f(x) = -x2 - 2 D. f(x) = -x2 - 2x
Mathematics