Simplify the expression. Assume that all variables are non-negative.
A. 9xy
B. 9xy
C. 3xy
D. 9xy
Answer: B
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Solve the problem.In the spinner shown below, the regions numbered 1 and 2 correspond to 90? angles. The region numbered 3 corresponds to a 100? angle and the region numbered 4 corresponds to a 60? angle. Find the probability that, when spun randomly, the spinner will land on the region numbered 5.
A. 
B. 
C. 
D. 
E. none of these
Find the indicated premium. Round to the nearest cent. 
Find the annual premium.Face Value: $10,000Age of Insured: 25Sex of Insured: FType of Policy: Whole life
A. $50.60 B. $25.80 C. $22.80 D. $40.70
Perform the indicated operation. Write your result in a + bi form.(5 + 3i)(3 - 9i)
A. -12 + 54i B. 42 + 36i C. -27i2 - 36i + 15 D. 42 - 36i
Solve the system by the method of your choice. Identify systems with no solution and systems with infinitely many solutions, using set notation to express their solution sets.y = 10 - 4x16x + 4y = 40
A. {(5, -10)}
B. {(0, 10)}
C. {(x, y) 
}
D. ?