Solve.log4 (x + 9) + log4 (x - 9) = 3
A. 
B. 145
C. 
D. 
Answer: D
Mathematics
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Solve the problem.Find the work done by a force of 16i (newtons) in moving as object along a line from the origin to the point 
(distance in meters).
A. 47.81 joules B. 48.00 joules C. 50.60 joules D. 16.87 joules
Mathematics
Solve the system by graphing.x = -yy + x = 6
A. Infinitely many solutions B. (1, 1) C. (1, 5) D. No solution
Mathematics
Solve the logarithmic equation.log6(6x - 2) = 3
A. 
B. 
C. 
D. 212
Mathematics
Solve the system by the addition method. x + 6y = 114x + 5y = -13
A. {(-7, 3)} B. {(7, 4)} C. {(-8, 4)} D. ?
Mathematics