Find the least common denominator for the group of denominators.4a - 20, a2 - 5a
A. 4a2 - 20
B. 4a2 - 5
C. 4a(a - 5)
D. 4a - 5
Answer: C
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Choose the most reasonable unit of measure.Basketball court length 29 
(mm, cm, m, km)
A. cm B. mm C. km D. m
Evaluate the integral.
A. 2 B. 1 C. 4 D. 8
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 1400 pounds and the other pulls with a force of 3600 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 your answer to the nearest tenth. 
A. The truck must pull with a force of 2415.0 lb. B. The truck must pull with a force of 2791.5 lb. C. The truck must pull with a force of 4481.9 lb. D. The truck must pull with a force of 4695.5 lb.
Find the exact value of the expression.
A. - 
B. -2
C. - 
D. -