-2x +5y= -15
2 answers:
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#4
- -2/8=-1/4
- 3/6=1/2
Refer to the attachment
#2
Mid point:-
- -2/5+1/2/2
- -4+5/10/2
- 1/10/2
- 1/20
If patio is square it means that area of if is 
where a is one side
Now we can substitute A=200 and solve eq
a=
a=14.1421
Now we are rounding to the nearest tenths
a=14.1 because next number is 4 and is less then 5.
The result is 14.1
Now we can substitute A=200 and solve eq
a=
a=14.1421
Now we are rounding to the nearest tenths
a=14.1 because next number is 4 and is less then 5.
The result is 14.1