Answer:
It is a mixture.
Step-by-step explanation:
A compound is a pure substance which cannot be separated into its constituent by physical methods.
A mixture is a substance which can be separated into its constituent by physical methods.
Gasoline consists of different organic liquids.
These organic liquids can be separated by physical means like fractional distillation.
Thus gasoline will be a mixture. More specifically it is a homogeneous mixture.