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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The wages of the employees of a company are presented in this histogram. Answer the question.
How many employees earn $8 or more?
A. 128 B. 148 C. 94 D. 48
Mathematics
Multiply and simplify.
(
+ 
)
A. 36 + 3
B. 6 + 3
C. 6 + 9
D. 12
Mathematics
Multiply.(3x - y)(3x + y)(9x2 + y2)
A. 81x4 - 36x2y2 + y4 B. 81x4 - y4 C. 81x4 + 36x2y2 - y4 D. 81x4 + y4
Mathematics
Graph the system of linear inequalities.3y - x ? 9,y + 2x ? 10,y ? 0
A. 
B. 
C. 
D. 
Mathematics