Relax

Respuesta :

Answer:

y=13

Step-by-step explanation:

If you have any other questions i'll answer them!

1
2
(


4
0
)
=

1
3
.
5

1
2
(


4
0
)
=

1
3
.
5
1
2
(
y

40
)
=

13.5
21​(y−40)=−13.5
1
(


4
0
)
2
=

1
3
.
5
That’s the answer