Factor completely. If the polynomial is prime, state this.4x2 - 12xy - 16y2
A. 4(x - y)(x + 4y)
B. 4(x + y)(x - 4y)
C. (4x - 4y)(x + 4y)
D. (x - y)(4x + 12y)
Answer: B
Mathematics
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Solve the problem.Find the magnitude of the torque in foot-pounds at point P for the following lever:
= 8 in. and 
= 15 lb
A. 9.06 ft-lb B. 4.23 ft-lb C. 9.72 ft-lb D. 120 ft-lb
Mathematics
Write the slope-intercept form of the equation for the line passing through the given pair of points.(-9, 5) and (0, -5)
A. y = 
x - 5
B. y = - 
x - 5
C. y = 
x - 5
D. y = - 
x - 5
Mathematics
Divide.
A. - 
+ 
i
B. - 
+ 
i
C. 
- 
i
D. 
- 
i
Mathematics
Rationalize the denominator.
A. 
- 
B. 
C. 
D. 
Mathematics