Find the difference. Simplify the result.
- 
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.Find the magnitude of the torque in foot-pounds at point P for the following lever:
= 9 in. and 
= 30 lb
A. 20.39 ft-lb B. 270 ft-lb C. 16.48 ft-lb D. 9.51 ft-lb
Use factoring and the root method to solve the polynomial equation.x4 - 6x2 + 9 = 0
A. 3
B. -
, 
C. -3, 3
D. 
Solve the problem.The manager of a candy shop sells chocolate covered peanuts for $6 per pound and chocolate covered cashews for $10 per pound. The manager wishes to make a 40-pound 
mixture that will sell for $9 per pound. How many pounds of each should be used?
A. 20 lb of peanuts 20 lb of cashews B. 35 lb of peanuts 5 lb of cashews C. 30 lb of peanuts 10 lb of cashews D. 10 lb of peanuts 30 lb of cashews
Write any percent as a decimal and any decimal as a percent.At State University, 82% of the students are female.
A. 0.0082 B. 82 C. 0.082 D. 0.82