Find the indicated coefficient or term.The 8th term in the expansion of (3x - 2y)9
A. -13,824x7y2
B. 20,736x7y2
C. 20,736x2y8
D. -41,472x2y7
Answer: D
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Solve the problem.A swimming pool has a rectangular base 14 ft long and 28 ft wide. The sides are 6 ft high, and the pool is full of water. How much work will it take to lower the water level 2 feet by pumping the water out over the top of the pool? Assume that the water weighs 
Give your answer to the nearest ft ? lb.
A. 48,922 ft ? lb B. 24,461 ft ? lb C. 440,294 ft ? lb D. 880,589 ft ? lb
Solve the problem.A graph G has 42 vertices and has the property that there is one and only one path joining any two vertices of the graph. Which of the following statements [A), B), C), or D)] is not true?
A. G must be connected. B. Every edge of the graph must be a bridge. C. G must have 41 edges. D. G cannot have any circuits. E. all of these statements are true.
Tell whether the angle is acute, right, obtuse, or straight.?ADB 
A. Right B. Straight C. Acute D. Obtuse
Solve.Given that loga2 = 0.3010 and loga3 = 0.4771, find loga
A. 2.0333 B. 0.0512 C. 0.8293 D. 0.1992