Nothing. You can't cross a vector with a scalar.
He heard the ref was blowing fouls
A person who lays awake at night wondering if there really is a dog.
A mosquito can "fly", but a fly can not "mosquito".
Nothing you can't cross a vector with a scaler.
Nothing, you can't cross a vector with a scaler.
Nothing. You can't cross a scaler and a vector.
Nothing! You can't cross scalars and vectors.