Look at the table of 9s facts. do you see another number pattern in the multiples of 9? explain

What is the value of the expression below? (81^2)^1/8

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long.at what angle is the sun above the horizon at that time?

Walking at a constant rate of 8 kilometers per hour, juan can cross a bridge in 6 minutes. what is the length of the bridge in meters?