Find the least common denominator (LCD).
, 
A. 4(x + 4)(x + 6)
B. 4(x + 4)(x - 6)
C. 4(x - 4)(x - 6)
D. 4(x - 4)(x + 6)
Answer: C
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Solve the problem.In a certain year, world gold production was about 2400 metric tonnes and the United States produced 9 percent of that amount. How many pounds of gold did the United States produce? Round to the nearest pound.
A. 5,333,333 lb B. 388,800 lb C. 240 lb D. 480,000 lb
Express 1,678,490 in scientific notation (3 significant figures).
a. 1.68 ð 103 b. 1.68 ð 104 c. 1.68 ð 105 d. 1.68 ð 106 e. 1.68 ð 107
Solve the inequality. Express your answer using interval notation.|x| < -9
A. {-9} B. no solution C. (-?, ?) D. (-9, 9)
Solve the problem.Let D be the smaller cap cut from a solid ball of radius 6 units by a plane 3 units from the center of the sphere. Set up the triple integral for the volume of D in rectangular coordinates.
A. 
B. 
C. 
D. 