Solve.The pitch of a screw is the distance between threads. With each complete rotation of the screw, it goes in or out a distance equal to its pitch. How far will a screw with a pitch of 
in. go into a piece of wood when it is turned 10 complete rotations clockwise?
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Answer: C
Mathematics
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Evaluate the cylindrical coordinate integral.
A. 
B. 
C. 
D. 75
Mathematics
Solve the problem.If f(x, y) = (2000ey)/(1 + 
/2) represents the population density of a planar region on Earth, where x and y are measured in miles, find the number of people within the rectangle -9 ? x ? 9 and -4 ? y ? 0.
A. 4000(1 - e-4) ln 5 ? 9416
B. 4000(1 - e-4) ln 
? 6694
C. 2000(1 - e-4) ln 
? 3347
D. 8000(1 - e-4) ln 
? 13,388
Mathematics
Solve each proportion for the given variable.
= 
A. -12
B. -3
C. 24
D. -96
Mathematics
Add the numbers using the number line.-4 + 0 
A. -4 B. -40 C. 0 D. 4
Mathematics