Answer:
x=4 y=1
Step-by-step explanation:
given equation
x+y=5
so x= 5-y.......(i)
and
x-2y=2
so x= 2+2y........(ii)
then
5-y=2+2y
therefore y=1
and x=4
Just try Google or calculator millions of sites simplify it
Answer:
162 inches
Step-by-step explanation:
To get the answer you would have to know how many inches are a yard. The answer is 36. So you would have to multiply 4.5 by 36.

In both the sets, 3 and m as well as n can be found as common factors.
So,
3mn( m+4n)
Therefore the answer is 3mn (#3)