Select the most appropriate data display for the given situation:
Evaluating the number of As, Bs, Cs, etc. using the traditional numerical grading system:
90 - 100 A
80-89 B
70-79 C
60-69 D
0-59 F
?
A. ?Pictograph
B. ?Histogram
C. ?Stem-and-Leaf Plot
D. ?Scatter Plot
E. ?Line Graph
Answer: C
Mathematics
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Evaluate the integral.
A. cos-1 (x + 4) + C
B. 
+ C
C. sin-1 (x + 4) + C
D. -sin-1 (x + 4) + C
Mathematics
Factor completely.10(p + 4)2 + 27(p + 4) + 5
A. (5p + 25)(2p + 9) B. (5p + 1)(2p + 5) C. (5p + 21)(2p + 13) D. (5p + 5)(2p + 9)
Mathematics
Solve the problem.Using a phone card to make a long distance call costs a flat fee of $0.69 plus $0.28 per minute starting with the first minute. What is an equation of the form 
for this situation?
A. y = 0.28x B. y = 0.69x + 0.28 C. y = 0.69x D. y = 0.28x + 0.69
Mathematics
Simplify the expression.24 - [5 - (2 - 8)] + (4 - 6)3
A. 21 B. -21 C. 33 D. 5
Mathematics