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 3800 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 2416.9 lb.
B. The truck must pull with a force of 5059.5 lb.
C. The truck must pull with a force of 2898.5 lb.
D. The truck must pull with a force of 4799.8 lb.
Answer: B
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A. 8x3 + 60x2 + 60x + 125 B. 4x2 + 20x + 25 C. 4x6 + 10x3 + 15,625 D. 8x3 + 60x2 + 150x + 125
Find n(A) for the set.A = 
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Solve the problem.Monticello residents were surveyed concerning their preferences for candidates Moore and Allen in an upcoming election. Of the 800 respondents, 300 support neither Moore nor Allen, 100 support both Moore and Allen, and 250 support only Moore. How many residents support Moore or Allen?
A. 400 B. 100 C. 500 D. 300
In the expression 3x + 4:
a. What is the literal term? b. What are the real numbers?