Solve the equation.log9 x2 = log9 (4x + 12)
A. 6
B. 
C. 6, -2
D. No solution
Answer: C
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Solve the problem.A plate shaped like an equilateral triangle 1 m on a side is placed on a vertical wall 2 m below the surface of a pool filled with water. On which plate in the figure is the force greater? Try to anticipate the answer and then compute the force on each plate. Round to three decimal places when appropriate. 
A. plate 2 plate 1: 4856.024 N plate 2: 5468.524 N B. plate 1 plate 1: 10,937.049 N plate 2: 9712.049 N C. plate 2 plate 1: 9712.049 N plate 2: 10,937.049 N D. plate 1 plate 1: 5468.524 N plate 2: 4856.024 N
Solve the compound inequality and write the solution set using set-builder notation. Graph the solution set using a number line.2 - 2x ? 10 or 3x - 3 ? 9
A. {x
}
B. {x
}
C. {x
}
D. {x
or x ? 4}
Solve the right triangle using the information given. Round answers to two decimal places, if necessary. 
a = 4, c = 10; Find b, A, and B.
A. b = 10.77 A = 23.58° B = 66.42° B. b = 10.77 A = 24.58° B = 65.42° C. b = 9.17 A = 23.58° B = 66.42° D. b = 9.17 A = 66.42° B = 23.58°
Rewrite the fraction with the indicated denominator.
= 
A. 
B. 
C. 
D. 