Find the least common denominator (LCD).
, 
A. (y - 4z)2
B. (y - 4z)(4z - y)
C. (y - 4z)(4z + y)
D. y - 4z or 4z - y
Answer: D
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Find a polar equation for the conic. A focus is at the pole.e = 
; directrix is perpendicular to the polar axis 4 to the left of the pole
A. r = 
B. r = 
C. r = 
D. r = 
Write the expression as the sum or difference of logarithms.logb 
A. 2logb x - 8logb y
B. logb x - 
logb y
C. 
logb x - 
logb y
D. 
logb x2 - logb y8
Find the exact value. Do not use a calculator.tan 
A. 1
B. 
C. 
D. 
The amount of photosynthesis that takes place in a certain plant depends on the intensity of light x according to the equation 
, how fast is the rate of change of photosynthesis with respect to the intensity changing when 
variablename="impvar_25a5e5f899d745c2a2ea3426c" />? when 
?
?
A. 
B. 
C. 
D. 
E. 