Multiply and simplify.18 
A. 
B. -162
C. -2
D. 2
Answer: C
Mathematics
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Evaluate the expression.3 ? 
A. - 
B. - 
C. 33
D. - 
Mathematics
Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The design of an electric power generating station depends on both the peak and the average power that it must produce. If a community uses 336 + 144t - 6t2 megawatts at time t (in hours) during the period t = 0 to t = 24, find the average level of power consumption for that day.
A. 912 MW B. 21,888 MW C. 49,536 MW D. 2064 MW
Mathematics
Find the center and radius of the circle.x2 + y2 - 18x - 10y + 106 = 25
A. Center: (9, 5); Radius: 5 B. Center: (-5, -9); Radius: 25 C. Center: (5, 9); Radius: 5 D. Center: (-9, -5); Radius: 25
Mathematics