Solve the problem.On the first of January, the temperature was 7 degrees above zero. On the 15th of the month, it was 3 degrees below zero. At the end of the month on the 31st, it was 20 degrees below zero. Graph the three temperatures on a number line. Which of the three days was the warmest? 
A. January 1
B. January 15
C. January 31
Answer: A
Mathematics
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Determine whether the given linear equations are parallel, perpendicular, or neither.x- 
y = 4x + 
y = -6
A. parallel B. perpendicular C. neither
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Use the given information to write an equation. Let x represent the number described in the exercise. Then solve the equation and find the number.A number increased by six is negative eleven.
A. 6 + x = -11, x = 17 B. 6 + x = -11, x = -5 C. x + 6 = -11, x = -17 D. x - 11 = 6, x = 17
Mathematics
Use correlation coefficients to determine which of the given sets of data is worst fit by its associated regression line.
?
a)
b)
c)
?
A. a and b
B. b and c
C. b
D. a
E. c
Mathematics