Multiply, then simplify the product. Assume that all variables represent positive real numbers.(4 + 
)(9 - 
)
A. 36 - 5
+ b
B. 36 + 5
+ b
C. 36 - 5
- b
D. 36 + 5
- b
Answer: D
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Use the relative frequency method to estimate the probability. Round your answer to 2 decimal places when necessary.Of the last 100 people who failed the lie detector test, 23 turned out to be telling the truth. What is the probability that the next person who fails the test is actually telling the truth?
A. 0.5 B. 0.77 C. 0.23 D. 0
Solve the problem.The sales of a mature product (one which has passed its peak) will decline by the function S(t)= S0e-at, where t is time in years. Find the sales after 8 years if 
and 
A. 245,075 B. 58,065 C. 11,491 D. 5746
Provide an appropriate response.The product of three negative numbers is positive.
A. True B. False
Draw the graph of the equation.(x - 2)2 = 2(y - 2)
A. 
B. 
C. 
D. 