Please help! I'll mark your answer as brainiest if right <3

y=9

Step-by-step explanation:

y=mx+9

Swap sides so that all variable terms are on the left hand side.

mx+9=y

Subtract 9 from both sides.

mx=y−9

The equation is in standard form.

xm=y−9

Divide both sides by x.

x

xm

=

x

y−9

Dividing by x undoes the multiplication by x.

m=

x

y−9

Solve for x

{

x=

m

y−9

,

x∈R,

m



=0

y=9 and m=0

Y=1

Step-by-step explanation:

(3,1)

(x,y)

Y=mx+c

1=m3+c

hi,

you half the rectangle that you ae asking about so then you would see the scale factor of 1/2 the one u have selected, the one on top is half.

hope this !