This is a 30-60-90 triangle. what is the measure of X? please explain

It says factor each expression completely 8y+48

Tyler enjoys the fish so much that after his birthday his family decides to take him to a famous aquarium a tank at the aquarium is similar to his tank with the scale factor of 8 how many times greater is the volume of the tank at the aquarium than the volume of tyler tank

I’m still confused on how to work the percentages