Find a polar equation for the curve represented by the given Cartesian equation. Select the correct answer.
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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 = 
+ 
Solve for the specified variable.S = 
for m
A. m = 
B. m = 
C. m = 
D. m = 
Find a point-slope form for the equation of the line satisfying the conditions.Slope -8, passing through (-5, -3)
A. y + 3 = 8x + 5 B. y = 8(x - 5) + 3 C. y = -8(x - 5) + 3 D. y = -8(x + 5) - 3
Factor completely. If the polynomial cannot be factored, say it is prime.20x6 - 12x3 - 25x3 + 15
A. (4x6 - 5)(5x - 3) B. (4x3 - 5)(5x3 - 3) C. (4x3 + 5)(5x3 + 3) D. (20x3 + 5)(x3 + 3)