In a chemistry class, the following test scores were recorded for a student: 79, 76, 74, 73, 82, 78. Find the mean, median, and mode for the data.
A. mean: 77, median: 73, mode: 82
B. mean: 76, median: none, mode: none
C. mean: 78, median: none, mode: 82
D. mean: 77, median: 77, mode: none
Answer: D
Mathematics
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Find the midpoint of the segment with the given endpoints.(7, -2) and (-6, 1)
A. 
B. 
C. 
D. 
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Simplify the algebraic expression.-2(6x + 6)
A. -12x - 12 B. -12x + 6 C. -24x D. 4x + 4
Mathematics
The tangent line to the graph of f (x) at 
is shown. On the tangent line, P is the point of tangency and A is another point on the line. Find 
.
?
?
A. 2
B. -2
C. 1
D. -5
E. does not exist
Mathematics
Write interval notation for the given set or graph.
A. (-5, -1] B. [-5, -1) C. [-5, -1] D. (-5, -1)
Mathematics