Simplify.
A. 
B. 
C. 
D. 1
Answer: B
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Solve the problem.Find the volume of the solid generated by revolving the region in the first quadrant bounded by the x-axis and the curve y = x cos x, 0 ? x ? ?/2 about the y-axis.
A. 
+ 2?2 - 4?
B. 
- 8?
C. 
- 4?
D. 
- 4?
Use divisions to convert the base ten numeral to a numeral in the given base. 2,874 to base seven
A. 11,442seven B. 11,422seven C. 11,224seven D. 11,244seven
Write the equation of the line in slope-intercept form given the slope and the coordinates of the y-intercept.m = 
; (0, 1)
A. y = 1x
B. y = 1x + 
C. y = - 
x + 1
D. y = 
x + 1
Solve.While looking through the properties of her 3 - 1/2 inch diskette, Amy noticed that 
of the space on the disk was not being used. She deleted four files that were using 
of the disk space. What fractional part of the disk space was free after she deleted the four files?
A. 
of the disk was free
B. 
of the disk was free
C. 
of the disk was free
D. 
of the disk was free