Y = 7
Explication pas à pas:
x est -3 donc -3 et connectez le x.
Y = -1 / 3 (-3) +5.
Y = 1 + 5
Y = 7
Answer:
A. 70
Step-by-step explanation:
The given quadrilateral DEFG is a cyclic quadrilateral.
...opposite angles of a cyclic quadrilateral are supplementary.


The sum of angles in a quadrilateral is 360 degrees.



