The scale factor is 4 and for the perimeter just use the distance formula
3x moved 3 units to the left, -5y moved 14 units to the right.
Gave away 7 ⇒ -7
Bought 6 ⇒ + 6
Left with 13
If he did not buy the 6 cars ...
13 - 6 = 7
If he did not give the 7 cars away ...
7 + 7 = 14
He has 14 cars at first.
13 - 6
Answer:
x = 18
Step-by-step explanation:

8x = 12 * 12
8x = 144

x = 18
15/35
3/7.................