Simplify the radical expression. Assume that all variables represent positive real numbers.
A. 2
B. 5
C. 5
D. 2
Answer: A
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Solve the problem.The Redlich-Kwong equation provides an approximate model for the behavior of real gases. The equation is 
where P is pressure, V is volume, T is Kelvin temperature, and a,b , and R are constants. Find the derivative of the function with respect to each variable.
A. PV = 
+ 
; PT = - 
+ 
B. PV = 
- 
; PT = 
+ 
C. PV = 
+ 
; PT = 
- 
D. PV = 
- 
; PT = 
+ 
Choose the closest estimate.Boiling water.
A. 105°C B. 212°C C. 323°C D. 100°C
Solve the problem.On a map of the Thunderbird Country Club golf course, 1.5 inches equals 45 yards. How long is the 6th hole if the map shows 6 inches?
A. 11.3 yd B. 180 yd C. 270 yd D. 405 yd
Provide an appropriate response.Solve the equation
for x. If y is positive and b is negative, what, if anything, can you determine about the signs of the solutions? Explain your reasoning.
What will be an ideal response?