Find the 'x' coordinate of the vertex of the equation
-4x2 + 7x - 3= 0.

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)?

A(t)=728(1+0.04)^t how much money did aditya originally invest

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?