Simplify.
A. 
B. 
C. 2
D. 
Answer: B
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Find the indicated probability.The managers of a corporation were surveyed to determine the background that leads to a successful manager. Each manager was rated as being either a good, fair, or poor manager by his/her boss. The manager's educational background was also noted. The data appear below: Educational Background
If a manager is selected at random, what is the probability that he or she is either a good manager or has an advanced degree? Give your answer as a fraction.
A. 
B. 
C. 
D. 
Simplify. Assume that all variables represent positive real numbers.4
+ 4
A. 28x
B. 28
C. 7
D. 4
Multiply.0.063(0.57)
A. 0.003591 B. 0.03591 C. 0.0003591 D. 3.591
Solve the problem.The appliance store where the Perrones shop offers a 7% discount for paying cash. The Perrones received a discount of $33. What was their total bill before the discount? Round to the nearest dollar.
A. $2 B. $471 C. $200 D. $5