7-3=-x+1
4=-x+1 substract 1
-1 -1
4-1=-x
3=-x multiply by -1
•(-1) •(-1)
-3=x
x=-3
Answer:
15
Step-by-step explanation:

Answer:
Caleb keeps 65% of his mask collection on the wall.
Answer:
240
Step-by-step explanation:
I think hope it helps
Answer:
The dilation scale factor is
.
Step-by-step explanation:
The image is the dilated form of its preimage if and only if the following conditions are observed:
1) 
2) 
3) 
4) 
5) 
If we know that
,
,
,
,
,
,
and
, then the coefficients are, respectively:
,
,
, 
As
, we conclude that the dilation scale factor applied in the preimage is equal to
.