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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A. x + 8 B. x2 + 8 C. x3 - 21 D. x - 21

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Find the difference and simplify the answer.  

A.
B.
C.
D.

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Solve the equation and check the solution.x +  =  - x + 

A. = 
B. = 
C. = - 
D. = - 

Mathematics