Solve the problem.The sales tax rate in one state is 6.5%. How much tax will be charged on a purchase of 5 chairs at 
a piece? Round your answer to the nearest cent.
A. $67.10
B. $204.75
C. $20.48
D. $4.10
Answer: C
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Solve the problem.Use Newton's Law of Cooling to find the temperature in the following case. A glass of water with a temperature of 3°C is placed in a room with a temperature of 20°C. One minute later the water has warmed to 8°C. After how many minutes does the water have a temperature that is 80% of the ambient temperature?
A. ? 15 min B. ? 4 min C. ? 7 min D. ? 11 min
Find f(x) and g(x) such that h(x) = (f ? g)(x).h(x) = (x - 4)6 + 4(x - 4)5 - 8(x - 4)3 + 2
A. f(x) = x6 + x5 - x3 + 2, g(x) = x - 4 B. f(x) = x6 - 4x5 + 8x3 + 2, g(x) = x + 4 C. f(x) = x6 + 4x5 - 8x3 + 2, g(x) = x - 4 D. f(x) = x6 + 4x5 - 8x3, g(x) = x - 6
Solve the equation.4x = 19 Round to three decimal places.
A. 1.558 B. 2.124 C. 0.471 D. 4.750
Change the radical to simplest radical form.
A. 
B. 
C. 
D. 
E. 