Solve.The textbook for a history class costs $36. There are 30 students in the class. Find the total cost of the history books for the class.
A. $1080
B. $1050
C. $66
D. $1044
Answer: A
Mathematics
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Find the volume of the solid generated by revolving the region about the y-axis.The region enclosed by the triangle with vertices (0, 0), (1, 0), (1, 2)
A. 
?
B. 4?
C. 
?
D. 
?
Mathematics
Give an appropriate answer.Let
f(x) = 16. Find
log2 f(x).
A. 4 B. -6 C. 2 D. 16
Mathematics
Find the missing angle measure.
A. 46° B. 113° C. 23° D. 67°
Mathematics
Identify the figure as a line, a ray, a line segment, or an angle. Then name the figure using the given points.
A. ray; 
B. line segment; 
C. angle; ?ECF or ?FCE or ?C
D. line; 
Mathematics