Determine the equation of variation.
A. y = 3.8x
B. y = 1.8x
C. y = 1.8 + x
D. y = 
Answer: B
Mathematics
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Perform the indicated operation.
+ 
A. 
B. 
C. - 
D. 
Mathematics
Use the graph to find a ? > 0 such that for all x, 0 < 
< ? ? 
< ?.
A. -0.3 B. 0.3 C. 6.7 D. 0.1
Mathematics
Simplify.
A. 
B. 4(a - 5b)
C. 4
D. 1
Mathematics
Find the value(s) of the variable for which the rational expression is undefined.
A. 
B. - 
C. - 
D. 
Mathematics