Solve the problem.A thermometer reading 
is brought into a room with a constant temperature of 
If the thermometer reads 
after 4 minutes, what will it read after being in the room for 6 minutes? Assume the cooling follows Newton's Law of Cooling: U = T + (Uo - T)ekt.(Round your answer to two decimal places.)
A. 71.98°F
B. 49.8°F
C. 110.2°F
D. 25.32°F
Answer: B
Mathematics
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Find the integral.
A. 
ln 
B. 
ln 
C. ln 
D. e3/2
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Simplify the rational expression. If the expression is already in simplest form, state this as your answer.
A. x - 7
B. x + 7
C. 
D. 
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Solve the problem.George's sandbox requires 26 cubic feet of sand to fill. How many bags of sand does he need to fill the sandbox if each bag holds 
cubic feet of sand?
A. 35 bags B. 19 bags C. 34 bags D. 20 bags
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Solve the logarithmic equation.log x + log(x + 1) = log 72
A. {8}
B. {9}
C. 
D. {9, -8}
Mathematics