Two vectors lie in the plane of the page. Vector A points towards the positive x-axis (to the right) and vector B points towards the positive y-axis (upward). What is the direction of A×B?
a) Along the line y=x in the plane
b) Zero (no specific direction, the product is considered zero)
c) Out of the page (along +k^)
d) Into the page (along −k^)