Solve the problem.Two people are carrying a box. One person exerts a force of 138 pounds at an angle of 49.2° with the horizontal. The other person exerts a force of 93 pounds at an angle of 59.5°. Find the weight of the box.
A. 285 lb
B. 121 lb
C. 190 lb
D. 231 lb
Answer: C
Mathematics
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at 
A. 
B. 
C. 
D. 
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Find the product. Write the answer in standard form.(8 - 4i)(7 + 5i)
A. 76 + 12i B. 76 - 12i C. -20i2 + 12i - 56 D. 36 - 68i
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Simplify the expression. Assume that all variables represent nonnegative real numbers.
- 4
- 2
A. 9
x
B. 
- 10
C. -8
D. -8
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Mathematics