Please tell me answer .i will mark you brainliest

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

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15

How do i get my dad to stop making me gargle his pickle i want my mom to gargle my pickle not my dads