What factors might make it possible for a rogue wave to be more than twice the height of the two colliding waves?

Maybe if the tide was low, the water level would be lower, so that means the rest of the waves would be significantly smaller compared to the rogue wave.

Two big waves could reinforce each other to make one gigantic one through constructive inference.

Explanation from the Lesson:

not sure if this is what you'r looking for nnew= nold

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?