12^2=144
144 is divided by b which also is an odd interger, there only 2 numbers : 1 and 3
if b=3, a^2=48, then there will be no a available
if b=1 , a^2=144, then a is 12 and 12 can not be divided by 9
The answer is D
Answer:
1.5 is the slope of the graph.
Step-by-step explanation:
slope of the graph :-
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( by taking coordinates, (20,50) and (0,20) )
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