Provide an appropriate response.The area of the surface formed by revolving the graph of 
from 
to 
about the line 
is 
The area of the surface formed by revolving the graph of r = f(?) from ? = ? to ? = ? about the
line 
is 
Use the idea underlying these two integral formulas to find the surface area of the torus formed by revolving the circle r = a about the line 
where 
What will be an ideal response?
4?2ab
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Solve the problem.Refer to the figure, which shows the distribution of voters in a state with 14 Democratic voters and 11 Republican, and five voters per district. 
Draw district boundaries so that two Democrats and three Republican are elected. You may draw districts with any shape you wish, as long as the district is contiguous.
What will be an ideal response?
Express the result of the addition as a Hindu-Arabic numeral in expanded form.
A. (5 × 104) + (6 × 103) + (3 × 102) + (4 × 101) B. (5 × 103) + (6 × 102) + (2 × 101) + (9 × 1) C. (5 × 104) + (6 × 103) + (2 × 102) + (9 × 101) D. (5 × 103) + (6 × 102) + (3 × 101) + (4 × 1)
Perform the indicated operation.6 + (-5)
A. 1 B. -11 C. -1 D. 11
Write an equation of the line with the given slope, m, and y-intercept (0, b).m = - 
, b = 9
A. y = - 
x + 9
B. y = 
x + 9
C. y = - 
x - 9
D. y = 
x - 9