Solve the problem.At a state fair truck pull, two pickup trucks are attached to the back end of a monster truck as illustrated in the figure. One of the pickups pulls with a force of 1600 pounds and the other pulls with a force of 3200 pounds with an angle of 45° between them. With how much force must the monster truck pull in order to remain unmoved? HINT: Find the resultant force of the two trucks. Round to the nearest tenth. 
A. The truck must pull with a force of 4181.0 lb.
B. The truck must pull with a force of 2357.8 lb.
C. The truck must pull with a force of 4476.7 lb.
D. The truck must pull with a force of 1731.8 lb.
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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Identify the graph of the function
?
?
A. ?
?
Period = 8
B. ?
Period = 8
C. ?
?
Period = 8
D. ?
?
Period = 8
E. ?
?
Period = 8
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Solve by completing the square.x2 + 8x = 5
A. 4 + 
B. -4 ± 2
C. -4 ± 
D. -1 ± 
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