Determine whether the relation is a function.Percent of work force in a certain town commuting by: 
A. It is a function.
B. It is not a function.
Answer: A
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In a school survey, students showed these preferences for instructional materials. Answer the question.
About how many students would you expect to prefer films in a school of 900 students?
A. About 20 students B. About 162 students C. About 108 students D. About 180 students
Provide an appropriate response.State whether the following angle pairs are complementary, supplementary, or neither: 20°, 
Fill in the blank(s) with the appropriate word(s).
Solve. Use interval notation to express the range.On the first four exams, your grades are 78, 89, 66, and 79. You are hoping to earn a C in the course. This will occur if the average of your five exam grades is greater than or equal to 70 and less than 80. What range of grades on the fifth exam will result in earning a C?
A. (28, 78] B. [28, 78) C. (38, 88] D. [38, 88)
If a single cell divides into two cells every 60 minutes, how many cells will there be at the end of ten hours? ? Please enter your answer as a number without the units.
Fill in the blank(s) with the appropriate word(s).