Multiply mentally.(4x2 + 3)(x - 6)
A. 4x2 - 21x - 18
B. 4x3 - 21x - 18
C. 4x3 - 24x2 + 3x - 18
D. 4x2 - 22x - 18
Answer: C
Mathematics
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Solve the problem. Find the magnitude of the torque in foot-pounds at point P for the following lever:
= 4 in. and 
= 5 lb
A. 
ft-lb
B. 
ft-lb
C. - 
ft-lb
D. 
ft-lb
Mathematics
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.
Mathematics
Simplify. Assume that all variables represent nonzero quantities.3x0
A. 0 B. 3x C. 1 D. 3
Mathematics
Use DeMoivre’s Theorem to find the indicated power.  figure 1.png)
(a) 1024 (b) 512i (d) 256 (e) -256i
Mathematics