Solve the equation and express the solution in exact form.ln(2x - 1) + ln (x - 5) = ln 5
A. 
B. 
C. 
D. ?
Answer: B
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Find the area under the normal curve for the condition.Find the percent of the area under the curve between the mean and 1.64 standard deviations from the mean.
A. 94.9% B. 55.1% C. 44.9% D. 44.7%
Evaluate the expression for the given values.
x = 9, y = 6
A. 
B. 24
C. 
D. 3
Solve the problem.Elissa wants to set up a rectangular dog run in her backyard. She has 20 feet of fencing to work with and wants to use it all. If the dog run is to be x feet long, express the area of the dog run as a function of x.
A. A(x) = 10x - x2 B. A(x) = 12x2 - x C. A(x) = 11x - x2 D. A(x) = 9x - x2
Solve the problem.Plutonium has a decay rate of 0.003% per year. Suppose that a nuclear accident causes plutonium to be released into the atmosphere each year perpetually at the rate of 5 lb per year. What is the limiting value of the radioactive buildup? Round to the nearest pound.
A. 1667 lb B. 16,667 lb C. 1,666,667 lb D. 166,667 lb