Need help (don’t give me inn correct answer and don’t comment if you don’t know)

Which is the correct excel formula for the 80th percentile of a distribution that is n(475, 33)? =norm. dist(80,475,33,1) =norm. inv(0.80,475,33) =norm. s.inv((80-475)/33)?

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?