Solve the problem.An auxiliary fuel tank for a helicopter is shaped like the surface generated by revolving the curve 
- 3 ? x ? 3, about the x-axis (dimensions are in feet). How many cubic feet of fuel will the tank hold to the nearest cubic foot?
A. 3
B. 13
C. 5
D. 10
Answer: D
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Two woodworkers, Tom and Carlos, bring in $100 for making a table and $80 for making a chair. On average, Tom must work 3 hours and Carlos 2 hours to make a chair. Tom must work 2 hours and Carlos 6 hours to make a table. If neither wishes to work more than 42 hours per week, find the maximum income. Table Chair Time availableIncome ($) 100 80Tom's time (hr) 2 3 42Carlos's time (hr) 6 2 42
A. $1,560 B. $1,660 C. $1,160 D. $1,060 E. $1,260
Reduce the fraction to simplest form.
A. r - s
B. Cannot be simplified
C. r + s
D. 
Find Y and é in the parallel circuit below if BC = 400 æS and G = 250 æS.
a. é = 60ø, Y = 500 æS
b. é = 30ø, Y = 289 æS
c. é = 60ø, Y = 800 æS
d. é = 30ø, Y = 800 æS
e. é = 58ø, Y = 472 æS
A function of x is depicted in the graph. Find any input values that produce the indicated output.f(x) = -2
A. x = -4 and x = 0 B. x = 4 and x = 0 C. x = -8 and x = 4 D. x = -4