The vertex is (4,y) because ? pls help

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)?

Identify the graph of y = ln x + 1.

Solve the equation x/4 - 5= -8 -27 -12 -7 12