Solve the problem.Linda is staying at a ski resort. She is hoping for cold temperatures for the best skiing conditions. The minimum temperatures for the last three nights have been 
and 
Which of these temperatures was the coldest?
A. -4.1°C
B. -1°C
C. -3.9°C
Answer: A
Mathematics
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First, create a scatter plot for the data in the table. Then, use the shape of the scatter plot given to determine if the data are best modeled by a linear function, an exponential function, a logarithmic function, or a quadratic function.
A. 
exponential function
B. 
quadratic function
C. 
linear function
D. 
logarithmic function
Mathematics
Factor the perfect square.16x2 - 40xy + 25y2
A. (4x + 5y)2 B. (4x - 5y)(4x + 5y) C. (16x + 1)(x + 25) D. (4x - 5y)2
Mathematics
Multiply.-6 ? 12
A. -720 B. -172 C. -72 D. -84
Mathematics
Solve.A customer paid $12.54 in sales tax on a set of chairs that cost $418. What was the sales tax rate?
A. 3% B. 4% C. 0.3% D. 5%
Mathematics