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Question 9 (4 points)
Union leaders administer a survey to teachers in a particular school district to
understand their experiences with a neov teacher evaluation tool. Every teacher was
sent the survey, but non-tenured teachers declined to respond for fear of
repercussions. Are the results of this survey likely affected by a bias? Explain.
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If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?

Urgentwhat is the area of the figure?