Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. 1
C. 
D. 
Answer: A
Mathematics
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Provide an appropriate response.Find the mode of 5, 30, 24, 27, 12, 21, 10, 12, 18.
A. 25 B. 12 C. 18 D. none of the above
Mathematics
Use the distributive property to rewrite the expression.3 ? x + 3 ? z
A. 3(x + z) B. 6(x + z) C. 3(xz) D. 9(x + z)
Mathematics
Solve the problem.A thermometer reading 
is placed inside a cold storage room with a constant temperature of 
If the thermometer reads 
in 8 minutes, how long before it reaches 
Assume the cooling follows Newton's Law of Cooling: U = T + (Uo - T)ekt.(Round your answer to the nearest whole minute.)
A. 72 minutes B. -5 minutes C. 24 minutes D. -29 minutes
Mathematics
Solve.What is 37% of 1205?
A. 44.59 B. 445.85 C. 44,585 D. 4458.5
Mathematics